51219837

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 78418560

約数和(自身を除く): 27198723

約数列:

[1, 3, 9, 27, 43, 129, 157, 281, 387, 471, 843, 1161, 1413, 2529, 4239, 6751, 7587, 12083, 20253, 36249, 44117, 60759, 108747, 132351, 182277, 326241, 397053, 1191159, 1897031, 5691093, 17073279, 51219837]

約数ペア:

[(1, 51219837), (3, 17073279), (9, 5691093), (27, 1897031), (43, 1191159), (129, 397053), (157, 326241), (281, 182277), (387, 132351), (471, 108747), (843, 60759), (1161, 44117), (1413, 36249), (2529, 20253), (4239, 12083), (6751, 7587)]