25215021

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3533}}^1$

素因数の和:3613

約数の個数: 24

約数和(自身を含む): 39877656

約数和(自身を除く): 14662635

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 3533, 7137, 10599, 31797, 45929, 137787, 215513, 413361, 646539, 1939617, 2801669, 8405007, 25215021]

約数ペア:

[(1, 25215021), (3, 8405007), (9, 2801669), (13, 1939617), (39, 646539), (61, 413361), (117, 215513), (183, 137787), (549, 45929), (793, 31797), (2379, 10599), (3533, 7137)]