18407727

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1201}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 28876848

約数和(自身を除く): 10469121

約数列:

[1, 3, 9, 13, 39, 117, 131, 393, 1179, 1201, 1703, 3603, 5109, 10809, 15327, 15613, 46839, 140517, 157331, 471993, 1415979, 2045303, 6135909, 18407727]

約数ペア:

[(1, 18407727), (3, 6135909), (9, 2045303), (13, 1415979), (39, 471993), (117, 157331), (131, 140517), (393, 46839), (1179, 15613), (1201, 15327), (1703, 10809), (3603, 5109)]