72387939

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{2131}}^1$

素因数の和:2227

約数の個数: 24

約数和(自身を含む): 106122432

約数和(自身を除く): 33734493

約数列:

[1, 3, 13, 39, 67, 169, 201, 507, 871, 2131, 2613, 6393, 11323, 27703, 33969, 83109, 142777, 360139, 428331, 1080417, 1856101, 5568303, 24129313, 72387939]

約数ペア:

[(1, 72387939), (3, 24129313), (13, 5568303), (39, 1856101), (67, 1080417), (169, 428331), (201, 360139), (507, 142777), (871, 83109), (2131, 33969), (2613, 27703), (6393, 11323)]