72406305

素因数分解:

$3^4\times 5^1\times {\mathrm{178781}}^1$

素因数の和:178798

約数の個数: 20

約数和(自身を含む): 129795732

約数和(自身を除く): 57389427

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 178781, 536343, 893905, 1609029, 2681715, 4827087, 8045145, 14481261, 24135435, 72406305]

約数ペア:

[(1, 72406305), (3, 24135435), (5, 14481261), (9, 8045145), (15, 4827087), (27, 2681715), (45, 1609029), (81, 893905), (135, 536343), (405, 178781)]