2258505

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1619}}^1$

素因数の和:1661

約数の個数: 24

約数和(自身を含む): 4043520

約数和(自身を除く): 1785015

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 1619, 4857, 8095, 14571, 24285, 50189, 72855, 150567, 250945, 451701, 752835, 2258505]

約数ペア:

[(1, 2258505), (3, 752835), (5, 451701), (9, 250945), (15, 150567), (31, 72855), (45, 50189), (93, 24285), (155, 14571), (279, 8095), (465, 4857), (1395, 1619)]