31086423

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{1721}}^1$

素因数の和:1956

約数の個数: 20

約数和(自身を含む): 46673088

約数和(自身を除く): 15586665

約数列:

[1, 3, 9, 27, 81, 223, 669, 1721, 2007, 5163, 6021, 15489, 18063, 46467, 139401, 383783, 1151349, 3454047, 10362141, 31086423]

約数ペア:

[(1, 31086423), (3, 10362141), (9, 3454047), (27, 1151349), (81, 383783), (223, 139401), (669, 46467), (1721, 18063), (2007, 15489), (5163, 6021)]