24997815

素因数分解:

$3^4\times 5^1\times {\mathrm{61723}}^1$

素因数の和:61740

約数の個数: 20

約数和(自身を含む): 44811624

約数和(自身を除く): 19813809

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 61723, 185169, 308615, 555507, 925845, 1666521, 2777535, 4999563, 8332605, 24997815]

約数ペア:

[(1, 24997815), (3, 8332605), (5, 4999563), (9, 2777535), (15, 1666521), (27, 925845), (45, 555507), (81, 308615), (135, 185169), (405, 61723)]