120321999

素因数分解:

$3^2\times 7^3\times {\mathrm{38977}}^1$

素因数の和:39004

約数の個数: 24

約数和(自身を含む): 202685600

約数和(自身を除く): 82363601

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 38977, 116931, 272839, 350793, 818517, 1909873, 2455551, 5729619, 13369111, 17188857, 40107333, 120321999]

約数ペア:

[(1, 120321999), (3, 40107333), (7, 17188857), (9, 13369111), (21, 5729619), (49, 2455551), (63, 1909873), (147, 818517), (343, 350793), (441, 272839), (1029, 116931), (3087, 38977)]