211671257637

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{467}}^1$

素因数の和:779

約数の個数: 128

約数和(自身を含む): 344648798208

約数和(自身を除く): 132977540571

約数列:

[1, 3, 7, 21, 37, 61, 73, 111, 131, 183, 219, 259, 393, 427, 467, 511, 777, 917, 1281, 1401, 1533, 2257, 2701, 2751, 3269, 4453, 4847, 6771, 7991, 8103, 9563, 9807, 13359, 14541, 15799, 17279, 18907, 23973, 28487, 28689, 31171, 33929, 34091, 47397, 51837, 55937, 56721, 61177, 66941, 85461, 93513, 101787, 102273, 120953, 164761, 167811, 183531, 199409, 200823, 238637, 295667, 353831, 362859, 428239, 494283, 583343, 598227, 715911, 887001, 1054019, 1061493, 1153327, 1261367, 1284717, 1750029, 2069669, 2079551, 2263549, 2476817, 3162057, 3459981, 3731797, 3784101, 4083401, 4465921, 6209007, 6238653, 6790647, 7378133, 7430451, 8829569, 11195391, 12250203, 13397763, 14556857, 15844843, 21583691, 22134399, 26122579, 26488707, 31261447, 43670571, 47534529, 64751073, 76943387, 78367737, 93784341, 138076489, 151085837, 165239077, 230830161, 272421181, 414229467, 453257511, 495717231, 538603709, 817263543, 966535423, 1156673539, 1615811127, 1906948267, 2899606269, 3470020617, 5720844801, 10079583697, 30238751091, 70557085879, 211671257637]

約数ペア:

[(1, 211671257637), (3, 70557085879), (7, 30238751091), (21, 10079583697), (37, 5720844801), (61, 3470020617), (73, 2899606269), (111, 1906948267), (131, 1615811127), (183, 1156673539), (219, 966535423), (259, 817263543), (393, 538603709), (427, 495717231), (467, 453257511), (511, 414229467), (777, 272421181), (917, 230830161), (1281, 165239077), (1401, 151085837), (1533, 138076489), (2257, 93784341), (2701, 78367737), (2751, 76943387), (3269, 64751073), (4453, 47534529), (4847, 43670571), (6771, 31261447), (7991, 26488707), (8103, 26122579), (9563, 22134399), (9807, 21583691), (13359, 15844843), (14541, 14556857), (15799, 13397763), (17279, 12250203), (18907, 11195391), (23973, 8829569), (28487, 7430451), (28689, 7378133), (31171, 6790647), (33929, 6238653), (34091, 6209007), (47397, 4465921), (51837, 4083401), (55937, 3784101), (56721, 3731797), (61177, 3459981), (66941, 3162057), (85461, 2476817), (93513, 2263549), (101787, 2079551), (102273, 2069669), (120953, 1750029), (164761, 1284717), (167811, 1261367), (183531, 1153327), (199409, 1061493), (200823, 1054019), (238637, 887001), (295667, 715911), (353831, 598227), (362859, 583343), (428239, 494283)]