72127665

素因数分解:

$3^4\times 5^1\times {\mathrm{178093}}^1$

素因数の和:178110

約数の個数: 20

約数和(自身を含む): 129296244

約数和(自身を除く): 57168579

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 178093, 534279, 890465, 1602837, 2671395, 4808511, 8014185, 14425533, 24042555, 72127665]

約数ペア:

[(1, 72127665), (3, 24042555), (5, 14425533), (9, 8014185), (15, 4808511), (27, 2671395), (45, 1602837), (81, 890465), (135, 534279), (405, 178093)]