64979475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{997}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 118801920

約数和(自身を除く): 53822445

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 79, 165, 237, 275, 395, 825, 869, 997, 1185, 1975, 2607, 2991, 4345, 4985, 5925, 10967, 13035, 14955, 21725, 24925, 32901, 54835, 65175, 74775, 78763, 164505, 236289, 274175, 393815, 822525, 866393, 1181445, 1969075, 2599179, 4331965, 5907225, 12995895, 21659825, 64979475]

約数ペア:

[(1, 64979475), (3, 21659825), (5, 12995895), (11, 5907225), (15, 4331965), (25, 2599179), (33, 1969075), (55, 1181445), (75, 866393), (79, 822525), (165, 393815), (237, 274175), (275, 236289), (395, 164505), (825, 78763), (869, 74775), (997, 65175), (1185, 54835), (1975, 32901), (2607, 24925), (2991, 21725), (4345, 14955), (4985, 13035), (5925, 10967)]