31106817

素因数分解:

$3^2\times 7^2\times {\mathrm{70537}}^1$

素因数の和:70557

約数の個数: 18

約数和(自身を含む): 52268658

約数和(自身を除く): 21161841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 70537, 211611, 493759, 634833, 1481277, 3456313, 4443831, 10368939, 31106817]

約数ペア:

[(1, 31106817), (3, 10368939), (7, 4443831), (9, 3456313), (21, 1481277), (49, 634833), (63, 493759), (147, 211611), (441, 70537)]