28867419

素因数分解:

$3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{977}}^1$

素因数の和:1064

約数の個数: 36

約数和(自身を含む): 49279464

約数和(自身を除く): 20412045

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 147, 201, 441, 469, 603, 977, 1407, 2931, 3283, 4221, 6839, 8793, 9849, 20517, 29547, 47873, 61551, 65459, 143619, 196377, 430857, 458213, 589131, 1374639, 3207491, 4123917, 9622473, 28867419]

約数ペア:

[(1, 28867419), (3, 9622473), (7, 4123917), (9, 3207491), (21, 1374639), (49, 589131), (63, 458213), (67, 430857), (147, 196377), (201, 143619), (441, 65459), (469, 61551), (603, 47873), (977, 29547), (1407, 20517), (2931, 9849), (3283, 8793), (4221, 6839)]