2179455

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 3717120

約数和(自身を除く): 1537665

約数列:

[1, 3, 5, 15, 31, 43, 93, 109, 129, 155, 215, 327, 465, 545, 645, 1333, 1635, 3379, 3999, 4687, 6665, 10137, 14061, 16895, 19995, 23435, 50685, 70305, 145297, 435891, 726485, 2179455]

約数ペア:

[(1, 2179455), (3, 726485), (5, 435891), (15, 145297), (31, 70305), (43, 50685), (93, 23435), (109, 19995), (129, 16895), (155, 14061), (215, 10137), (327, 6665), (465, 4687), (545, 3999), (645, 3379), (1333, 1635)]