31257333

素因数分解:

$3^6\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:880

約数の個数: 28

約数和(自身を含む): 47807820

約数和(自身を除く): 16550487

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 729, 809, 1431, 2427, 4293, 7281, 12879, 21843, 38637, 42877, 65529, 128631, 196587, 385893, 589761, 1157679, 3473037, 10419111, 31257333]

約数ペア:

[(1, 31257333), (3, 10419111), (9, 3473037), (27, 1157679), (53, 589761), (81, 385893), (159, 196587), (243, 128631), (477, 65529), (729, 42877), (809, 38637), (1431, 21843), (2427, 12879), (4293, 7281)]