1283325

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 2160576

約数和(自身を除く): 877251

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 241, 355, 723, 1065, 1205, 1775, 3615, 5325, 6025, 17111, 18075, 51333, 85555, 256665, 427775, 1283325]

約数ペア:

[(1, 1283325), (3, 427775), (5, 256665), (15, 85555), (25, 51333), (71, 18075), (75, 17111), (213, 6025), (241, 5325), (355, 3615), (723, 1775), (1065, 1205)]