54280405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{14851}}^1$

素因数の和:14916

約数の個数: 16

約数和(自身を含む): 70576704

約数和(自身を除く): 16296299

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 14851, 74255, 252467, 638593, 1262335, 3192965, 10856081, 54280405]

約数ペア:

[(1, 54280405), (5, 10856081), (17, 3192965), (43, 1262335), (85, 638593), (215, 252467), (731, 74255), (3655, 14851)]