4047939

素因数分解:

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

素因数の和:224

約数の個数: 36

約数和(自身を含む): 6953544

約数和(自身を除く): 2905605

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 137, 147, 201, 411, 441, 469, 603, 959, 1233, 1407, 2877, 3283, 4221, 6713, 8631, 9179, 9849, 20139, 27537, 29547, 60417, 64253, 82611, 192759, 449771, 578277, 1349313, 4047939]

約数ペア:

[(1, 4047939), (3, 1349313), (7, 578277), (9, 449771), (21, 192759), (49, 82611), (63, 64253), (67, 60417), (137, 29547), (147, 27537), (201, 20139), (411, 9849), (441, 9179), (469, 8631), (603, 6713), (959, 4221), (1233, 3283), (1407, 2877)]