31350225

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9721}}^1$

素因数の和:9777

約数の個数: 24

約数和(自身を含む): 53043232

約数和(自身を除く): 21693007

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 9721, 29163, 48605, 145815, 243025, 418003, 729075, 1254009, 2090015, 6270045, 10450075, 31350225]

約数ペア:

[(1, 31350225), (3, 10450075), (5, 6270045), (15, 2090015), (25, 1254009), (43, 729075), (75, 418003), (129, 243025), (215, 145815), (645, 48605), (1075, 29163), (3225, 9721)]