72445185

素因数分解:

$3^4\times 5^1\times {\mathrm{178877}}^1$

素因数の和:178894

約数の個数: 20

約数和(自身を含む): 129865428

約数和(自身を除く): 57420243

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 178877, 536631, 894385, 1609893, 2683155, 4829679, 8049465, 14489037, 24148395, 72445185]

約数ペア:

[(1, 72445185), (3, 24148395), (5, 14489037), (9, 8049465), (15, 4829679), (27, 2683155), (45, 1609893), (81, 894385), (135, 536631), (405, 178877)]