128974911

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{997}}^1$

素因数の和:1151

約数の個数: 32

約数和(自身を含む): 193148928

約数和(自身を除く): 64174017

約数列:

[1, 3, 13, 31, 39, 93, 107, 321, 403, 997, 1209, 1391, 2991, 3317, 4173, 9951, 12961, 30907, 38883, 43121, 92721, 106679, 129363, 320037, 401791, 1205373, 1386827, 3307049, 4160481, 9921147, 42991637, 128974911]

約数ペア:

[(1, 128974911), (3, 42991637), (13, 9921147), (31, 4160481), (39, 3307049), (93, 1386827), (107, 1205373), (321, 401791), (403, 320037), (997, 129363), (1209, 106679), (1391, 92721), (2991, 43121), (3317, 38883), (4173, 30907), (9951, 12961)]