27800145

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4789}}^1$

素因数の和:4846

約数の個数: 32

約数和(自身を含む): 50582400

約数和(自身を除く): 22782255

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 4789, 5805, 14367, 23945, 43101, 71835, 129303, 205927, 215505, 617781, 646515, 1029635, 1853343, 3088905, 5560029, 9266715, 27800145]

約数ペア:

[(1, 27800145), (3, 9266715), (5, 5560029), (9, 3088905), (15, 1853343), (27, 1029635), (43, 646515), (45, 617781), (129, 215505), (135, 205927), (215, 129303), (387, 71835), (645, 43101), (1161, 23945), (1935, 14367), (4789, 5805)]