212816655

素因数分解:

$3^2\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{3089}}^1$

素因数の和:4631

約数の個数: 24

約数和(自身を含む): 369242640

約数和(自身を除く): 156425985

約数列:

[1, 3, 5, 9, 15, 45, 1531, 3089, 4593, 7655, 9267, 13779, 15445, 22965, 27801, 46335, 68895, 139005, 4729259, 14187777, 23646295, 42563331, 70938885, 212816655]

約数ペア:

[(1, 212816655), (3, 70938885), (5, 42563331), (9, 23646295), (15, 14187777), (45, 4729259), (1531, 139005), (3089, 68895), (4593, 46335), (7655, 27801), (9267, 22965), (13779, 15445)]