80870404881

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1\times {\mathrm{106619}}^1$

素因数の和:108549

約数の個数: 32

約数和(自身を含む): 129786393600

約数和(自身を除く): 48915988719

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1901, 5703, 13307, 36119, 39921, 106619, 108357, 252833, 319857, 746333, 758499, 2025761, 2238999, 6077283, 14180327, 42540981, 202682719, 608048157, 1418779033, 3850971661, 4256337099, 11552914983, 26956801627, 80870404881]

約数ペア:

[(1, 80870404881), (3, 26956801627), (7, 11552914983), (19, 4256337099), (21, 3850971661), (57, 1418779033), (133, 608048157), (399, 202682719), (1901, 42540981), (5703, 14180327), (13307, 6077283), (36119, 2238999), (39921, 2025761), (106619, 758499), (108357, 746333), (252833, 319857)]