81773415

素因数分解:

$3^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1481}}^1$

素因数の和:1904

約数の個数: 32

約数和(自身を含む): 145828800

約数和(自身を除く): 64055385

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 409, 1227, 1481, 2045, 3681, 4443, 6135, 7405, 11043, 13329, 18405, 22215, 39987, 55215, 66645, 199935, 605729, 1817187, 3028645, 5451561, 9085935, 16354683, 27257805, 81773415]

約数ペア:

[(1, 81773415), (3, 27257805), (5, 16354683), (9, 9085935), (15, 5451561), (27, 3028645), (45, 1817187), (135, 605729), (409, 199935), (1227, 66645), (1481, 55215), (2045, 39987), (3681, 22215), (4443, 18405), (6135, 13329), (7405, 11043)]