7861617

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{1367}}^1$

素因数の和:1450

約数の個数: 20

約数和(自身を含む): 11918016

約数和(自身を除く): 4056399

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1367, 1917, 4101, 5751, 12303, 36909, 97057, 110727, 291171, 873513, 2620539, 7861617]

約数ペア:

[(1, 7861617), (3, 2620539), (9, 873513), (27, 291171), (71, 110727), (81, 97057), (213, 36909), (639, 12303), (1367, 5751), (1917, 4101)]