2052405

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 3813120

約数和(自身を除く): 1760715

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 661, 1035, 1983, 3105, 3305, 5949, 9915, 15203, 17847, 29745, 45609, 76015, 89235, 136827, 228045, 410481, 684135, 2052405]

約数ペア:

[(1, 2052405), (3, 684135), (5, 410481), (9, 228045), (15, 136827), (23, 89235), (27, 76015), (45, 45609), (69, 29745), (115, 17847), (135, 15203), (207, 9915), (345, 5949), (621, 3305), (661, 3105), (1035, 1983)]