12812331

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19681}}^1$

素因数の和:19722

約数の個数: 16

約数和(自身を含む): 20154368

約数和(自身を除く): 7342037

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 19681, 59043, 137767, 413301, 610111, 1830333, 4270777, 12812331]

約数ペア:

[(1, 12812331), (3, 4270777), (7, 1830333), (21, 610111), (31, 413301), (93, 137767), (217, 59043), (651, 19681)]