189740025

素因数分解:

$3^2\times 5^2\times {\mathrm{843289}}^1$

素因数の和:843305

約数の個数: 18

約数和(自身を含む): 339845870

約数和(自身を除く): 150105845

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 843289, 2529867, 4216445, 7589601, 12649335, 21082225, 37948005, 63246675, 189740025]

約数ペア:

[(1, 189740025), (3, 63246675), (5, 37948005), (9, 21082225), (15, 12649335), (25, 7589601), (45, 4216445), (75, 2529867), (225, 843289)]