28369809

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5639}}^1$

素因数の和:5701

約数の個数: 24

約数和(自身を含む): 45165120

約数和(自身を除く): 16795311

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 5639, 16917, 50751, 73307, 219921, 242477, 659763, 727431, 2182293, 3152201, 9456603, 28369809]

約数ペア:

[(1, 28369809), (3, 9456603), (9, 3152201), (13, 2182293), (39, 727431), (43, 659763), (117, 242477), (129, 219921), (387, 73307), (559, 50751), (1677, 16917), (5031, 5639)]