71213985

素因数分解:

$3^4\times 5^1\times {\mathrm{175837}}^1$

素因数の和:175854

約数の個数: 20

約数和(自身を含む): 127658388

約数和(自身を除く): 56444403

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 175837, 527511, 879185, 1582533, 2637555, 4747599, 7912665, 14242797, 23737995, 71213985]

約数ペア:

[(1, 71213985), (3, 23737995), (5, 14242797), (9, 7912665), (15, 4747599), (27, 2637555), (45, 1582533), (81, 879185), (135, 527511), (405, 175837)]