121268781

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{1879}}^1$

素因数の和:2057

約数の個数: 24

約数和(自身を含む): 179487360

約数和(自身を除く): 58218579

約数列:

[1, 3, 9, 71, 101, 213, 303, 639, 909, 1879, 5637, 7171, 16911, 21513, 64539, 133409, 189779, 400227, 569337, 1200681, 1708011, 13474309, 40422927, 121268781]

約数ペア:

[(1, 121268781), (3, 40422927), (9, 13474309), (71, 1708011), (101, 1200681), (213, 569337), (303, 400227), (639, 189779), (909, 133409), (1879, 64539), (5637, 21513), (7171, 16911)]