3953125

素因数分解:

$5^6\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:64

約数の個数: 28

約数和(自身を含む): 5624928

約数和(自身を除く): 1671803

約数列:

[1, 5, 11, 23, 25, 55, 115, 125, 253, 275, 575, 625, 1265, 1375, 2875, 3125, 6325, 6875, 14375, 15625, 31625, 34375, 71875, 158125, 171875, 359375, 790625, 3953125]

約数ペア:

[(1, 3953125), (5, 790625), (11, 359375), (23, 171875), (25, 158125), (55, 71875), (115, 34375), (125, 31625), (253, 15625), (275, 14375), (575, 6875), (625, 6325), (1265, 3125), (1375, 2875)]