86861331

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{507961}}^1$

素因数の和:507986

約数の個数: 12

約数和(自身を含む): 132070120

約数和(自身を除く): 45208789

約数列:

[1, 3, 9, 19, 57, 171, 507961, 1523883, 4571649, 9651259, 28953777, 86861331]

約数ペア:

[(1, 86861331), (3, 28953777), (9, 9651259), (19, 4571649), (57, 1523883), (171, 507961)]