56720529

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{811}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 86559200

約数和(自身を除く): 29838671

約数列:

[1, 3, 9, 19, 57, 171, 409, 811, 1227, 2433, 3681, 7299, 7771, 15409, 23313, 46227, 69939, 138681, 331699, 995097, 2985291, 6302281, 18906843, 56720529]

約数ペア:

[(1, 56720529), (3, 18906843), (9, 6302281), (19, 2985291), (57, 995097), (171, 331699), (409, 138681), (811, 69939), (1227, 46227), (2433, 23313), (3681, 15409), (7299, 7771)]