75138405

素因数分解:

$3^1\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{2521}}^1$

素因数の和:4516

約数の個数: 16

約数和(自身を含む): 120329664

約数和(自身を除く): 45191259

約数列:

[1, 3, 5, 15, 1987, 2521, 5961, 7563, 9935, 12605, 29805, 37815, 5009227, 15027681, 25046135, 75138405]

約数ペア:

[(1, 75138405), (3, 25046135), (5, 15027681), (15, 5009227), (1987, 37815), (2521, 29805), (5961, 12605), (7563, 9935)]