27780435

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{389}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 51760800

約数和(自身を除く): 23980365

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 389, 529, 621, 1035, 1167, 1587, 1945, 2645, 3105, 3501, 4761, 5835, 7935, 8947, 10503, 14283, 17505, 23805, 26841, 44735, 52515, 71415, 80523, 134205, 205781, 241569, 402615, 617343, 1028905, 1207845, 1852029, 3086715, 5556087, 9260145, 27780435]

約数ペア:

[(1, 27780435), (3, 9260145), (5, 5556087), (9, 3086715), (15, 1852029), (23, 1207845), (27, 1028905), (45, 617343), (69, 402615), (115, 241569), (135, 205781), (207, 134205), (345, 80523), (389, 71415), (529, 52515), (621, 44735), (1035, 26841), (1167, 23805), (1587, 17505), (1945, 14283), (2645, 10503), (3105, 8947), (3501, 7935), (4761, 5835)]