64331865

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{397}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 120823248

約数和(自身を除く): 56491383

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 277, 397, 585, 831, 1191, 1385, 1985, 2493, 3573, 3601, 4155, 5161, 5955, 10803, 12465, 15483, 17865, 18005, 25805, 32409, 46449, 54015, 77415, 109969, 162045, 232245, 329907, 549845, 989721, 1429597, 1649535, 4288791, 4948605, 7147985, 12866373, 21443955, 64331865]

約数ペア:

[(1, 64331865), (3, 21443955), (5, 12866373), (9, 7147985), (13, 4948605), (15, 4288791), (39, 1649535), (45, 1429597), (65, 989721), (117, 549845), (195, 329907), (277, 232245), (397, 162045), (585, 109969), (831, 77415), (1191, 54015), (1385, 46449), (1985, 32409), (2493, 25805), (3573, 18005), (3601, 17865), (4155, 15483), (5161, 12465), (5955, 10803)]