12640185

素因数分解:

$3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{859}}^1$

素因数の和:982

約数の個数: 32

約数和(自身を含む): 22704000

約数和(自身を除く): 10063815

約数列:

[1, 3, 5, 9, 15, 27, 45, 109, 135, 327, 545, 859, 981, 1635, 2577, 2943, 4295, 4905, 7731, 12885, 14715, 23193, 38655, 93631, 115965, 280893, 468155, 842679, 1404465, 2528037, 4213395, 12640185]

約数ペア:

[(1, 12640185), (3, 4213395), (5, 2528037), (9, 1404465), (15, 842679), (27, 468155), (45, 280893), (109, 115965), (135, 93631), (327, 38655), (545, 23193), (859, 14715), (981, 12885), (1635, 7731), (2577, 4905), (2943, 4295)]