71288889

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 111390720

約数和(自身を除く): 40101831

約数列:

[1, 3, 7, 21, 79, 97, 237, 291, 443, 553, 679, 1329, 1659, 2037, 3101, 7663, 9303, 22989, 34997, 42971, 53641, 104991, 128913, 160923, 244979, 300797, 734937, 902391, 3394709, 10184127, 23762963, 71288889]

約数ペア:

[(1, 71288889), (3, 23762963), (7, 10184127), (21, 3394709), (79, 902391), (97, 734937), (237, 300797), (291, 244979), (443, 160923), (553, 128913), (679, 104991), (1329, 53641), (1659, 42971), (2037, 34997), (3101, 22989), (7663, 9303)]