71318079

素因数分解:

$3^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{2741}}^1$

素因数の和:2820

約数の個数: 36

約数和(自身を含む): 121909320

約数和(自身を除く): 50591241

約数列:

[1, 3, 7, 9, 21, 49, 59, 63, 147, 177, 413, 441, 531, 1239, 2741, 2891, 3717, 8223, 8673, 19187, 24669, 26019, 57561, 134309, 161719, 172683, 402927, 485157, 1132033, 1208781, 1455471, 3396099, 7924231, 10188297, 23772693, 71318079]

約数ペア:

[(1, 71318079), (3, 23772693), (7, 10188297), (9, 7924231), (21, 3396099), (49, 1455471), (59, 1208781), (63, 1132033), (147, 485157), (177, 402927), (413, 172683), (441, 161719), (531, 134309), (1239, 57561), (2741, 26019), (2891, 24669), (3717, 19187), (8223, 8673)]