816561903

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 1142553600

約数和(自身を除く): 325991697

約数列:

[1, 3, 29, 87, 173, 227, 239, 519, 681, 717, 5017, 6583, 6931, 15051, 19749, 20793, 39271, 41347, 54253, 117813, 124041, 162759, 1138859, 1199063, 1573337, 3416577, 3597189, 4720011, 9385769, 28157307, 272187301, 816561903]

約数ペア:

[(1, 816561903), (3, 272187301), (29, 28157307), (87, 9385769), (173, 4720011), (227, 3597189), (239, 3416577), (519, 1573337), (681, 1199063), (717, 1138859), (5017, 162759), (6583, 124041), (6931, 117813), (15051, 54253), (19749, 41347), (20793, 39271)]