1357725

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 2302432

約数和(自身を除く): 944707

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 421, 645, 1075, 1263, 2105, 3225, 6315, 10525, 18103, 31575, 54309, 90515, 271545, 452575, 1357725]

約数ペア:

[(1, 1357725), (3, 452575), (5, 271545), (15, 90515), (25, 54309), (43, 31575), (75, 18103), (129, 10525), (215, 6315), (421, 3225), (645, 2105), (1075, 1263)]