23193945

素因数分解:

$3^4\times 5^1\times {\mathrm{57269}}^1$

素因数の和:57286

約数の個数: 20

約数和(自身を含む): 41578020

約数和(自身を除く): 18384075

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 57269, 171807, 286345, 515421, 859035, 1546263, 2577105, 4638789, 7731315, 23193945]

約数ペア:

[(1, 23193945), (3, 7731315), (5, 4638789), (9, 2577105), (15, 1546263), (27, 859035), (45, 515421), (81, 286345), (135, 171807), (405, 57269)]