31251663

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{8209}}^1$

素因数の和:8268

約数の個数: 20

約数和(自身を含む): 47683680

約数和(自身を除く): 16432017

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 8209, 24627, 73881, 221643, 385823, 664929, 1157469, 3472407, 10417221, 31251663]

約数ペア:

[(1, 31251663), (3, 10417221), (9, 3472407), (27, 1157469), (47, 664929), (81, 385823), (141, 221643), (423, 73881), (1269, 24627), (3807, 8209)]