17970417

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{3637}}^1$

素因数の和:3710

約数の個数: 20

約数和(自身を含む): 27292276

約数和(自身を除く): 9321859

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 3637, 4941, 10911, 32733, 98199, 221857, 294597, 665571, 1996713, 5990139, 17970417]

約数ペア:

[(1, 17970417), (3, 5990139), (9, 1996713), (27, 665571), (61, 294597), (81, 221857), (183, 98199), (549, 32733), (1647, 10911), (3637, 4941)]