2538405

素因数分解:

$3^3\times 5^1\times {\mathrm{18803}}^1$

素因数の和:18817

約数の個数: 16

約数和(自身を含む): 4512960

約数和(自身を除く): 1974555

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 18803, 56409, 94015, 169227, 282045, 507681, 846135, 2538405]

約数ペア:

[(1, 2538405), (3, 846135), (5, 507681), (9, 282045), (15, 169227), (27, 94015), (45, 56409), (135, 18803)]