861645

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 1520640

約数和(自身を除く): 658995

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 109, 155, 255, 327, 465, 527, 545, 1581, 1635, 1853, 2635, 3379, 5559, 7905, 9265, 10137, 16895, 27795, 50685, 57443, 172329, 287215, 861645]

約数ペア:

[(1, 861645), (3, 287215), (5, 172329), (15, 57443), (17, 50685), (31, 27795), (51, 16895), (85, 10137), (93, 9265), (109, 7905), (155, 5559), (255, 3379), (327, 2635), (465, 1853), (527, 1635), (545, 1581)]