72972495

素因数分解:

$3^4\times 5^1\times {\mathrm{180179}}^1$

素因数の和:180196

約数の個数: 20

約数和(自身を含む): 130810680

約数和(自身を除く): 57838185

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 180179, 540537, 900895, 1621611, 2702685, 4864833, 8108055, 14594499, 24324165, 72972495]

約数ペア:

[(1, 72972495), (3, 24324165), (5, 14594499), (9, 8108055), (15, 4864833), (27, 2702685), (45, 1621611), (81, 900895), (135, 540537), (405, 180179)]