2171025

素因数分解:

$3^2\times 5^2\times {\mathrm{9649}}^1$

素因数の和:9665

約数の個数: 18

約数和(自身を含む): 3888950

約数和(自身を除く): 1717925

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 9649, 28947, 48245, 86841, 144735, 241225, 434205, 723675, 2171025]

約数ペア:

[(1, 2171025), (3, 723675), (5, 434205), (9, 241225), (15, 144735), (25, 86841), (45, 48245), (75, 28947), (225, 9649)]