201920121

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1559}}^1$

素因数の和:1628

約数の個数: 48

約数和(自身を含む): 333889920

約数和(自身を除く): 131969799

約数列:

[1, 3, 9, 13, 27, 39, 41, 81, 117, 123, 243, 351, 369, 533, 1053, 1107, 1559, 1599, 3159, 3321, 4677, 4797, 9963, 14031, 14391, 20267, 42093, 43173, 60801, 63919, 126279, 129519, 182403, 191757, 378837, 547209, 575271, 830947, 1641627, 1725813, 2492841, 4924881, 5177439, 7478523, 15532317, 22435569, 67306707, 201920121]

約数ペア:

[(1, 201920121), (3, 67306707), (9, 22435569), (13, 15532317), (27, 7478523), (39, 5177439), (41, 4924881), (81, 2492841), (117, 1725813), (123, 1641627), (243, 830947), (351, 575271), (369, 547209), (533, 378837), (1053, 191757), (1107, 182403), (1559, 129519), (1599, 126279), (3159, 63919), (3321, 60801), (4677, 43173), (4797, 42093), (9963, 20267), (14031, 14391)]