207965457

素因数分解:

$3^2\times 7^2\times {\mathrm{409}}^1\times {\mathrm{1153}}^1$

素因数の和:1582

約数の個数: 36

約数和(自身を含む): 350596740

約数和(自身を除く): 142631283

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 409, 441, 1153, 1227, 2863, 3459, 3681, 8071, 8589, 10377, 20041, 24213, 25767, 56497, 60123, 72639, 169491, 180369, 471577, 508473, 1414731, 3301039, 4244193, 9903117, 23107273, 29709351, 69321819, 207965457]

約数ペア:

[(1, 207965457), (3, 69321819), (7, 29709351), (9, 23107273), (21, 9903117), (49, 4244193), (63, 3301039), (147, 1414731), (409, 508473), (441, 471577), (1153, 180369), (1227, 169491), (2863, 72639), (3459, 60123), (3681, 56497), (8071, 25767), (8589, 24213), (10377, 20041)]