21863025

素因数分解:

$3^2\times 5^2\times {\mathrm{97169}}^1$

素因数の和:97185

約数の個数: 18

約数和(自身を含む): 39159510

約数和(自身を除く): 17296485

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 97169, 291507, 485845, 874521, 1457535, 2429225, 4372605, 7287675, 21863025]

約数ペア:

[(1, 21863025), (3, 7287675), (5, 4372605), (9, 2429225), (15, 1457535), (25, 874521), (45, 485845), (75, 291507), (225, 97169)]