27149985

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1559}}^1$

素因数の和:1619

約数の個数: 40

約数和(自身を含む): 49832640

約数和(自身を除く): 22682655

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1161, 1559, 1935, 3483, 4677, 5805, 7795, 14031, 17415, 23385, 42093, 67037, 70155, 126279, 201111, 210465, 335185, 603333, 631395, 1005555, 1809999, 3016665, 5429997, 9049995, 27149985]

約数ペア:

[(1, 27149985), (3, 9049995), (5, 5429997), (9, 3016665), (15, 1809999), (27, 1005555), (43, 631395), (45, 603333), (81, 335185), (129, 210465), (135, 201111), (215, 126279), (387, 70155), (405, 67037), (645, 42093), (1161, 23385), (1559, 17415), (1935, 14031), (3483, 7795), (4677, 5805)]