61531218

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 165888000

約数和(自身を除く): 104356782

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 59, 62, 63, 89, 93, 118, 126, 177, 178, 186, 189, 217, 267, 279, 354, 378, 413, 434, 531, 534, 558, 623, 651, 801, 826, 837, 1062, 1239, 1246, 1302, 1593, 1602, 1674, 1829, 1869, 1953, 2403, 2478, 2759, 3186, 3658, 3717, 3738, 3906, 4806, 5251, 5487, 5518, 5607, 5859, 7434, 8277, 10502, 10974, 11151, 11214, 11718, 12803, 15753, 16461, 16554, 16821, 19313, 22302, 24831, 25606, 31506, 32922, 33642, 36757, 38409, 38626, 47259, 49383, 49662, 57939, 73514, 74493, 76818, 94518, 98766, 110271, 115227, 115878, 141777, 148986, 162781, 173817, 220542, 230454, 283554, 325562, 330813, 345681, 347634, 488343, 521451, 661626, 691362, 976686, 992439, 1042902, 1139467, 1465029, 1984878, 2278934, 2930058, 3418401, 4395087, 6836802, 8790174, 10255203, 20510406, 30765609, 61531218]

約数ペア:

[(1, 61531218), (2, 30765609), (3, 20510406), (6, 10255203), (7, 8790174), (9, 6836802), (14, 4395087), (18, 3418401), (21, 2930058), (27, 2278934), (31, 1984878), (42, 1465029), (54, 1139467), (59, 1042902), (62, 992439), (63, 976686), (89, 691362), (93, 661626), (118, 521451), (126, 488343), (177, 347634), (178, 345681), (186, 330813), (189, 325562), (217, 283554), (267, 230454), (279, 220542), (354, 173817), (378, 162781), (413, 148986), (434, 141777), (531, 115878), (534, 115227), (558, 110271), (623, 98766), (651, 94518), (801, 76818), (826, 74493), (837, 73514), (1062, 57939), (1239, 49662), (1246, 49383), (1302, 47259), (1593, 38626), (1602, 38409), (1674, 36757), (1829, 33642), (1869, 32922), (1953, 31506), (2403, 25606), (2478, 24831), (2759, 22302), (3186, 19313), (3658, 16821), (3717, 16554), (3738, 16461), (3906, 15753), (4806, 12803), (5251, 11718), (5487, 11214), (5518, 11151), (5607, 10974), (5859, 10502), (7434, 8277)]