64331325

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{4027}}^1$

素因数の和:4114

約数の個数: 36

約数和(自身を含む): 116876448

約数和(自身を除く): 52545123

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1775, 3195, 4027, 5325, 12081, 15975, 20135, 36243, 60405, 100675, 181215, 285917, 302025, 857751, 906075, 1429585, 2573253, 4288755, 7147925, 12866265, 21443775, 64331325]

約数ペア:

[(1, 64331325), (3, 21443775), (5, 12866265), (9, 7147925), (15, 4288755), (25, 2573253), (45, 1429585), (71, 906075), (75, 857751), (213, 302025), (225, 285917), (355, 181215), (639, 100675), (1065, 60405), (1775, 36243), (3195, 20135), (4027, 15975), (5325, 12081)]