15913125

素因数分解:

$3^3\times 5^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:93

約数の個数: 80

約数和(自身を含む): 31489920

約数和(自身を除く): 15576795

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 41, 45, 69, 75, 115, 123, 125, 135, 205, 207, 225, 345, 369, 375, 575, 615, 621, 625, 675, 943, 1025, 1035, 1107, 1125, 1725, 1845, 1875, 2829, 2875, 3075, 3105, 3375, 4715, 5125, 5175, 5535, 5625, 8487, 8625, 9225, 14145, 14375, 15375, 15525, 16875, 23575, 25461, 25625, 25875, 27675, 42435, 43125, 46125, 70725, 76875, 77625, 117875, 127305, 129375, 138375, 212175, 230625, 353625, 388125, 589375, 636525, 691875, 1060875, 1768125, 3182625, 5304375, 15913125]

約数ペア:

[(1, 15913125), (3, 5304375), (5, 3182625), (9, 1768125), (15, 1060875), (23, 691875), (25, 636525), (27, 589375), (41, 388125), (45, 353625), (69, 230625), (75, 212175), (115, 138375), (123, 129375), (125, 127305), (135, 117875), (205, 77625), (207, 76875), (225, 70725), (345, 46125), (369, 43125), (375, 42435), (575, 27675), (615, 25875), (621, 25625), (625, 25461), (675, 23575), (943, 16875), (1025, 15525), (1035, 15375), (1107, 14375), (1125, 14145), (1725, 9225), (1845, 8625), (1875, 8487), (2829, 5625), (2875, 5535), (3075, 5175), (3105, 5125), (3375, 4715)]