13453125

素因数分解:

$3^1\times 5^6\times 7^1\times {\mathrm{41}}^1$

素因数の和:81

約数の個数: 56

約数和(自身を含む): 26249664

約数和(自身を除く): 12796539

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 41, 75, 105, 123, 125, 175, 205, 287, 375, 525, 615, 625, 861, 875, 1025, 1435, 1875, 2625, 3075, 3125, 4305, 4375, 5125, 7175, 9375, 13125, 15375, 15625, 21525, 21875, 25625, 35875, 46875, 65625, 76875, 107625, 109375, 128125, 179375, 328125, 384375, 538125, 640625, 896875, 1921875, 2690625, 4484375, 13453125]

約数ペア:

[(1, 13453125), (3, 4484375), (5, 2690625), (7, 1921875), (15, 896875), (21, 640625), (25, 538125), (35, 384375), (41, 328125), (75, 179375), (105, 128125), (123, 109375), (125, 107625), (175, 76875), (205, 65625), (287, 46875), (375, 35875), (525, 25625), (615, 21875), (625, 21525), (861, 15625), (875, 15375), (1025, 13125), (1435, 9375), (1875, 7175), (2625, 5125), (3075, 4375), (3125, 4305)]