255195

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 454896

約数和(自身を除く): 199701

約数列:

[1, 3, 5, 9, 15, 45, 53, 107, 159, 265, 321, 477, 535, 795, 963, 1605, 2385, 4815, 5671, 17013, 28355, 51039, 85065, 255195]

約数ペア:

[(1, 255195), (3, 85065), (5, 51039), (9, 28355), (15, 17013), (45, 5671), (53, 4815), (107, 2385), (159, 1605), (265, 963), (321, 795), (477, 535)]