80761779

素因数分解:

$3^5\times 7^1\times {\mathrm{79}}^1\times {\mathrm{601}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 140241920

約数和(自身を除く): 59480141

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 81, 189, 237, 243, 553, 567, 601, 711, 1659, 1701, 1803, 2133, 4207, 4977, 5409, 6399, 12621, 14931, 16227, 19197, 37863, 44793, 47479, 48681, 113589, 134379, 142437, 146043, 332353, 340767, 427311, 997059, 1022301, 1281933, 2991177, 3845799, 8973531, 11537397, 26920593, 80761779]

約数ペア:

[(1, 80761779), (3, 26920593), (7, 11537397), (9, 8973531), (21, 3845799), (27, 2991177), (63, 1281933), (79, 1022301), (81, 997059), (189, 427311), (237, 340767), (243, 332353), (553, 146043), (567, 142437), (601, 134379), (711, 113589), (1659, 48681), (1701, 47479), (1803, 44793), (2133, 37863), (4207, 19197), (4977, 16227), (5409, 14931), (6399, 12621)]