7887321

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 13144320

約数和(自身を除く): 5256999

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 977, 2691, 2931, 8073, 8793, 12701, 22471, 26379, 38103, 67413, 114309, 202239, 292123, 342927, 606717, 876369, 2629107, 7887321]

約数ペア:

[(1, 7887321), (3, 2629107), (9, 876369), (13, 606717), (23, 342927), (27, 292123), (39, 202239), (69, 114309), (117, 67413), (207, 38103), (299, 26379), (351, 22471), (621, 12701), (897, 8793), (977, 8073), (2691, 2931)]