25970529

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21481}}^1$

素因数の和:21528

約数の個数: 16

約数和(自身を含む): 38495744

約数和(自身を除く): 12525215

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 21481, 64443, 279253, 665911, 837759, 1997733, 8656843, 25970529]

約数ペア:

[(1, 25970529), (3, 8656843), (13, 1997733), (31, 837759), (39, 665911), (93, 279253), (403, 64443), (1209, 21481)]