72141435

素因数分解:

$3^4\times 5^1\times {\mathrm{178127}}^1$

素因数の和:178144

約数の個数: 20

約数和(自身を含む): 129320928

約数和(自身を除く): 57179493

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 178127, 534381, 890635, 1603143, 2671905, 4809429, 8015715, 14428287, 24047145, 72141435]

約数ペア:

[(1, 72141435), (3, 24047145), (5, 14428287), (9, 8015715), (15, 4809429), (27, 2671905), (45, 1603143), (81, 890635), (135, 534381), (405, 178127)]