231856209

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{660559}}^1$

素因数の和:660581

約数の個数: 16

約数和(自身を含む): 369913600

約数和(自身を除く): 138057391

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 660559, 1981677, 5945031, 8587267, 17835093, 25761801, 77285403, 231856209]

約数ペア:

[(1, 231856209), (3, 77285403), (9, 25761801), (13, 17835093), (27, 8587267), (39, 5945031), (117, 1981677), (351, 660559)]