72489735

素因数分解:

$3^4\times 5^1\times {\mathrm{178987}}^1$

素因数の和:179004

約数の個数: 20

約数和(自身を含む): 129945288

約数和(自身を除く): 57455553

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 178987, 536961, 894935, 1610883, 2684805, 4832649, 8054415, 14497947, 24163245, 72489735]

約数ペア:

[(1, 72489735), (3, 24163245), (5, 14497947), (9, 8054415), (15, 4832649), (27, 2684805), (45, 1610883), (81, 894935), (135, 536961), (405, 178987)]