72997605

素因数分解:

$3^4\times 5^1\times {\mathrm{180241}}^1$

素因数の和:180258

約数の個数: 20

約数和(自身を含む): 130855692

約数和(自身を除く): 57858087

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 180241, 540723, 901205, 1622169, 2703615, 4866507, 8110845, 14599521, 24332535, 72997605]

約数ペア:

[(1, 72997605), (3, 24332535), (5, 14599521), (9, 8110845), (15, 4866507), (27, 2703615), (45, 1622169), (81, 901205), (135, 540723), (405, 180241)]