83647557

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 151164000

約数和(自身を除く): 67516443

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 67, 133, 147, 149, 171, 201, 399, 441, 447, 469, 603, 931, 1043, 1197, 1273, 1341, 1407, 2793, 2831, 3129, 3283, 3819, 4221, 7301, 8379, 8493, 8911, 9387, 9849, 9983, 11457, 19817, 21903, 25479, 26733, 29547, 29949, 59451, 62377, 65709, 69881, 80199, 89847, 138719, 178353, 187131, 189677, 209643, 416157, 489167, 561393, 569031, 628929, 1248471, 1327739, 1467501, 1707093, 3983217, 4402503, 9294173, 11949651, 27882519, 83647557]

約数ペア:

[(1, 83647557), (3, 27882519), (7, 11949651), (9, 9294173), (19, 4402503), (21, 3983217), (49, 1707093), (57, 1467501), (63, 1327739), (67, 1248471), (133, 628929), (147, 569031), (149, 561393), (171, 489167), (201, 416157), (399, 209643), (441, 189677), (447, 187131), (469, 178353), (603, 138719), (931, 89847), (1043, 80199), (1197, 69881), (1273, 65709), (1341, 62377), (1407, 59451), (2793, 29949), (2831, 29547), (3129, 26733), (3283, 25479), (3819, 21903), (4221, 19817), (7301, 11457), (8379, 9983), (8493, 9849), (8911, 9387)]