71813025

素因数分解:

$3^2\times 5^2\times {\mathrm{319169}}^1$

素因数の和:319185

約数の個数: 18

約数和(自身を含む): 128625510

約数和(自身を除く): 56812485

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 319169, 957507, 1595845, 2872521, 4787535, 7979225, 14362605, 23937675, 71813025]

約数ペア:

[(1, 71813025), (3, 23937675), (5, 14362605), (9, 7979225), (15, 4787535), (25, 2872521), (45, 1595845), (75, 957507), (225, 319169)]