18677015883

素因数分解:

$3^4\times {\mathrm{643}}^1\times {\mathrm{358601}}^1$

素因数の和:359256

約数の個数: 20

約数和(自身を含む): 27943702248

約数和(自身を除く): 9266686365

約数列:

[1, 3, 9, 27, 81, 643, 1929, 5787, 17361, 52083, 358601, 1075803, 3227409, 9682227, 29046681, 230580443, 691741329, 2075223987, 6225671961, 18677015883]

約数ペア:

[(1, 18677015883), (3, 6225671961), (9, 2075223987), (27, 691741329), (81, 230580443), (643, 29046681), (1929, 9682227), (5787, 3227409), (17361, 1075803), (52083, 358601)]