131412861

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{18229}}^1$

素因数の和:18330

約数の個数: 20

約数和(自身を含む): 198524700

約数和(自身を除く): 67111839

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 18229, 54687, 164061, 492183, 1476549, 1622381, 4867143, 14601429, 43804287, 131412861]

約数ペア:

[(1, 131412861), (3, 43804287), (9, 14601429), (27, 4867143), (81, 1622381), (89, 1476549), (267, 492183), (801, 164061), (2403, 54687), (7209, 18229)]