80879751

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1979}}^1$

素因数の和:2243

約数の個数: 24

約数和(自身を含む): 123552000

約数和(自身を除く): 42672249

約数列:

[1, 3, 9, 19, 57, 171, 239, 717, 1979, 2151, 4541, 5937, 13623, 17811, 37601, 40869, 112803, 338409, 472981, 1418943, 4256829, 8986639, 26959917, 80879751]

約数ペア:

[(1, 80879751), (3, 26959917), (9, 8986639), (19, 4256829), (57, 1418943), (171, 472981), (239, 338409), (717, 112803), (1979, 40869), (2151, 37601), (4541, 17811), (5937, 13623)]