15128991

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:292

約数の個数: 32

約数和(自身を含む): 23358720

約数和(自身を除く): 8229729

約数列:

[1, 3, 9, 27, 43, 83, 129, 157, 249, 387, 471, 747, 1161, 1413, 2241, 3569, 4239, 6751, 10707, 13031, 20253, 32121, 39093, 60759, 96363, 117279, 182277, 351837, 560333, 1680999, 5042997, 15128991]

約数ペア:

[(1, 15128991), (3, 5042997), (9, 1680999), (27, 560333), (43, 351837), (83, 182277), (129, 117279), (157, 96363), (249, 60759), (387, 39093), (471, 32121), (747, 20253), (1161, 13031), (1413, 10707), (2241, 6751), (3569, 4239)]