128654019

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47809}}^1$

素因数の和:47851

約数の個数: 24

約数和(自身を含む): 208834080

約数和(自身を除く): 80180061

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 47809, 143427, 430281, 621517, 1099607, 1864551, 3298821, 5593653, 9896463, 14294891, 42884673, 128654019]

約数ペア:

[(1, 128654019), (3, 42884673), (9, 14294891), (13, 9896463), (23, 5593653), (39, 3298821), (69, 1864551), (117, 1099607), (207, 621517), (299, 430281), (897, 143427), (2691, 47809)]