55587987

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 104143104

約数和(自身を除く): 48555117

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 169, 207, 227, 273, 299, 483, 507, 681, 819, 897, 1183, 1449, 1521, 1589, 2043, 2093, 2691, 2951, 3549, 3887, 4767, 5221, 6279, 8853, 10647, 11661, 14301, 15663, 18837, 20657, 26559, 27209, 34983, 36547, 38363, 46989, 61971, 67873, 81627, 109641, 115089, 185913, 203619, 244881, 268541, 328923, 345267, 475111, 610857, 805623, 882349, 1425333, 2416869, 2647047, 4275999, 6176443, 7941141, 18529329, 55587987]

約数ペア:

[(1, 55587987), (3, 18529329), (7, 7941141), (9, 6176443), (13, 4275999), (21, 2647047), (23, 2416869), (39, 1425333), (63, 882349), (69, 805623), (91, 610857), (117, 475111), (161, 345267), (169, 328923), (207, 268541), (227, 244881), (273, 203619), (299, 185913), (483, 115089), (507, 109641), (681, 81627), (819, 67873), (897, 61971), (1183, 46989), (1449, 38363), (1521, 36547), (1589, 34983), (2043, 27209), (2093, 26559), (2691, 20657), (2951, 18837), (3549, 15663), (3887, 14301), (4767, 11661), (5221, 10647), (6279, 8853)]