256086207

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{1667}}^1$

素因数の和:1800

約数の個数: 36

約数和(自身を含む): 404753544

約数和(自身を除く): 148667337

約数列:

[1, 3, 9, 13, 39, 101, 117, 169, 303, 507, 909, 1313, 1521, 1667, 3939, 5001, 11817, 15003, 17069, 21671, 51207, 65013, 153621, 168367, 195039, 281723, 505101, 845169, 1515303, 2188771, 2535507, 6566313, 19698939, 28454023, 85362069, 256086207]

約数ペア:

[(1, 256086207), (3, 85362069), (9, 28454023), (13, 19698939), (39, 6566313), (101, 2535507), (117, 2188771), (169, 1515303), (303, 845169), (507, 505101), (909, 281723), (1313, 195039), (1521, 168367), (1667, 153621), (3939, 65013), (5001, 51207), (11817, 21671), (15003, 17069)]