25265421

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2081}}^1$

素因数の和:2177

約数の個数: 24

約数和(自身を含む): 38975040

約数和(自身を除く): 13709619

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 2081, 4047, 6243, 12141, 18729, 39539, 118617, 147751, 355851, 443253, 1329759, 2807269, 8421807, 25265421]

約数ペア:

[(1, 25265421), (3, 8421807), (9, 2807269), (19, 1329759), (57, 443253), (71, 355851), (171, 147751), (213, 118617), (639, 39539), (1349, 18729), (2081, 12141), (4047, 6243)]