25881123

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{997}}^1$

素因数の和:1526

約数の個数: 16

約数和(自身を含む): 36646560

約数和(自身を除く): 10765437

約数列:

[1, 3, 17, 51, 509, 997, 1527, 2991, 8653, 16949, 25959, 50847, 507473, 1522419, 8627041, 25881123]

約数ペア:

[(1, 25881123), (3, 8627041), (17, 1522419), (51, 507473), (509, 50847), (997, 25959), (1527, 16949), (2991, 8653)]