28301871

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5297}}^1$

素因数の和:5450

約数の個数: 16

約数和(自身を含む): 40942944

約数和(自身を除く): 12641073

約数列:

[1, 3, 13, 39, 137, 411, 1781, 5297, 5343, 15891, 68861, 206583, 725689, 2177067, 9433957, 28301871]

約数ペア:

[(1, 28301871), (3, 9433957), (13, 2177067), (39, 725689), (137, 206583), (411, 68861), (1781, 15891), (5297, 5343)]