331318221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{20771}}^1$

素因数の和:21196

約数の個数: 16

約数和(自身を含む): 476925120

約数和(自身を除く): 145606899

約数列:

[1, 3, 13, 39, 409, 1227, 5317, 15951, 20771, 62313, 270023, 810069, 8495339, 25486017, 110439407, 331318221]

約数ペア:

[(1, 331318221), (3, 110439407), (13, 25486017), (39, 8495339), (409, 810069), (1227, 270023), (5317, 62313), (15951, 20771)]