9990175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{521}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 13592880

約数和(自身を除く): 3602705

約数列:

[1, 5, 13, 25, 59, 65, 295, 325, 521, 767, 1475, 2605, 3835, 6773, 13025, 19175, 30739, 33865, 153695, 169325, 399607, 768475, 1998035, 9990175]

約数ペア:

[(1, 9990175), (5, 1998035), (13, 768475), (25, 399607), (59, 169325), (65, 153695), (295, 33865), (325, 30739), (521, 19175), (767, 13025), (1475, 6773), (2605, 3835)]