12719145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1665

約数の個数: 32

約数和(自身を含む): 22256640

約数和(自身を除く): 9537495

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 1609, 2635, 4827, 7905, 8045, 24135, 27353, 49879, 82059, 136765, 149637, 249395, 410295, 748185, 847943, 2543829, 4239715, 12719145]

約数ペア:

[(1, 12719145), (3, 4239715), (5, 2543829), (15, 847943), (17, 748185), (31, 410295), (51, 249395), (85, 149637), (93, 136765), (155, 82059), (255, 49879), (465, 27353), (527, 24135), (1581, 8045), (1609, 7905), (2635, 4827)]