79865919

素因数分解:

$3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1783}}^1$

素因数の和:1881

約数の個数: 40

約数和(自身を含む): 138152960

約数和(自身を除く): 58287041

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 81, 189, 237, 553, 567, 711, 1659, 1783, 2133, 4977, 5349, 6399, 12481, 14931, 16047, 37443, 44793, 48141, 112329, 140857, 144423, 336987, 422571, 985999, 1010961, 1267713, 2957997, 3803139, 8873991, 11409417, 26621973, 79865919]

約数ペア:

[(1, 79865919), (3, 26621973), (7, 11409417), (9, 8873991), (21, 3803139), (27, 2957997), (63, 1267713), (79, 1010961), (81, 985999), (189, 422571), (237, 336987), (553, 144423), (567, 140857), (711, 112329), (1659, 48141), (1783, 44793), (2133, 37443), (4977, 16047), (5349, 14931), (6399, 12481)]