40911705

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21143}}^1$

素因数の和:21197

約数の個数: 24

約数和(自身を含む): 72566208

約数和(自身を除く): 31654503

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 21143, 63429, 105715, 190287, 317145, 909149, 951435, 2727447, 4545745, 8182341, 13637235, 40911705]

約数ペア:

[(1, 40911705), (3, 13637235), (5, 8182341), (9, 4545745), (15, 2727447), (43, 951435), (45, 909149), (129, 317145), (215, 190287), (387, 105715), (645, 63429), (1935, 21143)]