12690181

素因数分解:

$7^1\times {\mathrm{23}}^3\times {\mathrm{149}}^1$

素因数の和:225

約数の個数: 16

約数和(自身を含む): 15264000

約数和(自身を除く): 2573819

約数列:

[1, 7, 23, 149, 161, 529, 1043, 3427, 3703, 12167, 23989, 78821, 85169, 551747, 1812883, 12690181]

約数ペア:

[(1, 12690181), (7, 1812883), (23, 551747), (149, 85169), (161, 78821), (529, 23989), (1043, 12167), (3427, 3703)]