168221565

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1249}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 303030000

約数和(自身を除く): 134808435

約数列:

[1, 3, 5, 9, 15, 41, 45, 73, 123, 205, 219, 365, 369, 615, 657, 1095, 1249, 1845, 2993, 3285, 3747, 6245, 8979, 11241, 14965, 18735, 26937, 44895, 51209, 56205, 91177, 134685, 153627, 256045, 273531, 455885, 460881, 768135, 820593, 1367655, 2304405, 3738257, 4102965, 11214771, 18691285, 33644313, 56073855, 168221565]

約数ペア:

[(1, 168221565), (3, 56073855), (5, 33644313), (9, 18691285), (15, 11214771), (41, 4102965), (45, 3738257), (73, 2304405), (123, 1367655), (205, 820593), (219, 768135), (365, 460881), (369, 455885), (615, 273531), (657, 256045), (1095, 153627), (1249, 134685), (1845, 91177), (2993, 56205), (3285, 51209), (3747, 44895), (6245, 26937), (8979, 18735), (11241, 14965)]