278313723

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{379}}^1\times {\mathrm{587}}^1$

素因数の和:1111

約数の個数: 24

約数和(自身を含む): 406660800

約数和(自身を除く): 128347077

約数列:

[1, 3, 9, 139, 379, 417, 587, 1137, 1251, 1761, 3411, 5283, 52681, 81593, 158043, 222473, 244779, 474129, 667419, 734337, 2002257, 30923747, 92771241, 278313723]

約数ペア:

[(1, 278313723), (3, 92771241), (9, 30923747), (139, 2002257), (379, 734337), (417, 667419), (587, 474129), (1137, 244779), (1251, 222473), (1761, 158043), (3411, 81593), (5283, 52681)]