123459921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{2309}}^1$

素因数の和:2785

約数の個数: 24

約数和(自身を含む): 192552360

約数和(自身を除く): 69092439

約数列:

[1, 3, 9, 13, 39, 117, 457, 1371, 2309, 4113, 5941, 6927, 17823, 20781, 30017, 53469, 90051, 270153, 1055213, 3165639, 9496917, 13717769, 41153307, 123459921]

約数ペア:

[(1, 123459921), (3, 41153307), (9, 13717769), (13, 9496917), (39, 3165639), (117, 1055213), (457, 270153), (1371, 90051), (2309, 53469), (4113, 30017), (5941, 20781), (6927, 17823)]