80498205

素因数分解:

$3^4\times 5^1\times {\mathrm{198761}}^1$

素因数の和:198778

約数の個数: 20

約数和(自身を含む): 144301212

約数和(自身を除く): 63803007

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 198761, 596283, 993805, 1788849, 2981415, 5366547, 8944245, 16099641, 26832735, 80498205]

約数ペア:

[(1, 80498205), (3, 26832735), (5, 16099641), (9, 8944245), (15, 5366547), (27, 2981415), (45, 1788849), (81, 993805), (135, 596283), (405, 198761)]