12143817

素因数分解:

$3^3\times 7^2\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 21395520

約数和(自身を除く): 9251703

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 67, 137, 147, 189, 201, 411, 441, 469, 603, 959, 1233, 1323, 1407, 1809, 2877, 3283, 3699, 4221, 6713, 8631, 9179, 9849, 12663, 20139, 25893, 27537, 29547, 60417, 64253, 82611, 88641, 181251, 192759, 247833, 449771, 578277, 1349313, 1734831, 4047939, 12143817]

約数ペア:

[(1, 12143817), (3, 4047939), (7, 1734831), (9, 1349313), (21, 578277), (27, 449771), (49, 247833), (63, 192759), (67, 181251), (137, 88641), (147, 82611), (189, 64253), (201, 60417), (411, 29547), (441, 27537), (469, 25893), (603, 20139), (959, 12663), (1233, 9849), (1323, 9179), (1407, 8631), (1809, 6713), (2877, 4221), (3283, 3699)]