18468081

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:203

約数の個数: 40

約数和(自身を含む): 29028384

約数和(自身を除く): 10560303

約数列:

[1, 3, 9, 27, 41, 67, 81, 83, 123, 201, 249, 369, 603, 747, 1107, 1809, 2241, 2747, 3321, 3403, 5427, 5561, 6723, 8241, 10209, 16683, 24723, 30627, 50049, 74169, 91881, 150147, 222507, 228001, 275643, 450441, 684003, 2052009, 6156027, 18468081]

約数ペア:

[(1, 18468081), (3, 6156027), (9, 2052009), (27, 684003), (41, 450441), (67, 275643), (81, 228001), (83, 222507), (123, 150147), (201, 91881), (249, 74169), (369, 50049), (603, 30627), (747, 24723), (1107, 16683), (1809, 10209), (2241, 8241), (2747, 6723), (3321, 5561), (3403, 5427)]