31559931

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{14197}}^1$

素因数の和:14235

約数の個数: 24

約数和(自身を含む): 51680720

約数和(自身を除く): 20120789

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 14197, 42591, 127773, 184561, 269743, 553683, 809229, 1661049, 2427687, 3506659, 10519977, 31559931]

約数ペア:

[(1, 31559931), (3, 10519977), (9, 3506659), (13, 2427687), (19, 1661049), (39, 809229), (57, 553683), (117, 269743), (171, 184561), (247, 127773), (741, 42591), (2223, 14197)]