31550103

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{20743}}^1$

素因数の和:20775

約数の個数: 18

約数和(自身を含む): 49349976

約数和(自身を除く): 17799873

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 20743, 62229, 186687, 269659, 808977, 2426931, 3505567, 10516701, 31550103]

約数ペア:

[(1, 31550103), (3, 10516701), (9, 3505567), (13, 2426931), (39, 808977), (117, 269659), (169, 186687), (507, 62229), (1521, 20743)]