17820837

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{28697}}^1$

素因数の和:28729

約数の個数: 16

約数和(自身を含む): 27550080

約数和(自身を除く): 9729243

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 28697, 86091, 258273, 660031, 774819, 1980093, 5940279, 17820837]

約数ペア:

[(1, 17820837), (3, 5940279), (9, 1980093), (23, 774819), (27, 660031), (69, 258273), (207, 86091), (621, 28697)]