81818883

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{159491}}^1$

素因数の和:159519

約数の個数: 16

約数和(自身を含む): 127593600

約数和(自身を除く): 45774717

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 159491, 478473, 1435419, 3030329, 4306257, 9090987, 27272961, 81818883]

約数ペア:

[(1, 81818883), (3, 27272961), (9, 9090987), (19, 4306257), (27, 3030329), (57, 1435419), (171, 478473), (513, 159491)]