291206253

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1123}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 429278080

約数和(自身を除く): 138071827

約数列:

[1, 3, 13, 39, 61, 109, 183, 327, 793, 1123, 1417, 2379, 3369, 4251, 6649, 14599, 19947, 43797, 68503, 86437, 122407, 205509, 259311, 367221, 890539, 1591291, 2671617, 4773873, 7466827, 22400481, 97068751, 291206253]

約数ペア:

[(1, 291206253), (3, 97068751), (13, 22400481), (39, 7466827), (61, 4773873), (109, 2671617), (183, 1591291), (327, 890539), (793, 367221), (1123, 259311), (1417, 205509), (2379, 122407), (3369, 86437), (4251, 68503), (6649, 43797), (14599, 19947)]