1631259

素因数分解:

$3^5\times 7^2\times {\mathrm{137}}^1$

素因数の和:166

約数の個数: 36

約数和(自身を含む): 2863224

約数和(自身を除く): 1231965

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 137, 147, 189, 243, 411, 441, 567, 959, 1233, 1323, 1701, 2877, 3699, 3969, 6713, 8631, 11097, 11907, 20139, 25893, 33291, 60417, 77679, 181251, 233037, 543753, 1631259]

約数ペア:

[(1, 1631259), (3, 543753), (7, 233037), (9, 181251), (21, 77679), (27, 60417), (49, 33291), (63, 25893), (81, 20139), (137, 11907), (147, 11097), (189, 8631), (243, 6713), (411, 3969), (441, 3699), (567, 2877), (959, 1701), (1233, 1323)]