18159489

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2371}}^1$

素因数の和:2437

約数の個数: 24

約数和(自身を含む): 28122432

約数和(自身を除く): 9962943

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 2371, 2553, 7113, 7659, 21339, 54533, 87727, 163599, 263181, 490797, 789543, 2017721, 6053163, 18159489]

約数ペア:

[(1, 18159489), (3, 6053163), (9, 2017721), (23, 789543), (37, 490797), (69, 263181), (111, 163599), (207, 87727), (333, 54533), (851, 21339), (2371, 7659), (2553, 7113)]