51872319

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:389

約数の個数: 40

約数和(自身を含む): 81073872

約数和(自身を除く): 29201553

約数列:

[1, 3, 9, 27, 43, 53, 81, 129, 159, 281, 387, 477, 843, 1161, 1431, 2279, 2529, 3483, 4293, 6837, 7587, 12083, 14893, 20511, 22761, 36249, 44679, 61533, 108747, 134037, 184599, 326241, 402111, 640399, 978723, 1206333, 1921197, 5763591, 17290773, 51872319]

約数ペア:

[(1, 51872319), (3, 17290773), (9, 5763591), (27, 1921197), (43, 1206333), (53, 978723), (81, 640399), (129, 402111), (159, 326241), (281, 184599), (387, 134037), (477, 108747), (843, 61533), (1161, 44679), (1431, 36249), (2279, 22761), (2529, 20511), (3483, 14893), (4293, 12083), (6837, 7587)]