869352021

素因数分解:

$3^4\times {\mathrm{1373}}^1\times {\mathrm{7817}}^1$

素因数の和:9202

約数の個数: 20

約数和(自身を含む): 1299773772

約数和(自身を除く): 430421751

約数列:

[1, 3, 9, 27, 81, 1373, 4119, 7817, 12357, 23451, 37071, 70353, 111213, 211059, 633177, 10732741, 32198223, 96594669, 289784007, 869352021]

約数ペア:

[(1, 869352021), (3, 289784007), (9, 96594669), (27, 32198223), (81, 10732741), (1373, 633177), (4119, 211059), (7817, 111213), (12357, 70353), (23451, 37071)]