28029681

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 41408640

約数和(自身を除く): 13378959

約数列:

[1, 3, 9, 83, 157, 239, 249, 471, 717, 747, 1413, 2151, 13031, 19837, 37523, 39093, 59511, 112569, 117279, 178533, 337707, 3114409, 9343227, 28029681]

約数ペア:

[(1, 28029681), (3, 9343227), (9, 3114409), (83, 337707), (157, 178533), (239, 117279), (249, 112569), (471, 59511), (717, 39093), (747, 37523), (1413, 19837), (2151, 13031)]