81117015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{5639}}^1$

素因数の和:5791

約数の個数: 32

約数和(自身を含む): 149437440

約数和(自身を除く): 68320425

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 137, 411, 685, 959, 2055, 2877, 4795, 5639, 14385, 16917, 28195, 39473, 84585, 118419, 197365, 592095, 772543, 2317629, 3862715, 5407801, 11588145, 16223403, 27039005, 81117015]

約数ペア:

[(1, 81117015), (3, 27039005), (5, 16223403), (7, 11588145), (15, 5407801), (21, 3862715), (35, 2317629), (105, 772543), (137, 592095), (411, 197365), (685, 118419), (959, 84585), (2055, 39473), (2877, 28195), (4795, 16917), (5639, 14385)]