25438455

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{997}}^1$

素因数の和:1027

約数の個数: 56

約数和(自身を含む): 52359072

約数和(自身を除く): 26920617

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 729, 945, 997, 1215, 1701, 2835, 2991, 3645, 4985, 5103, 6979, 8505, 8973, 14955, 20937, 25515, 26919, 34895, 44865, 62811, 80757, 104685, 134595, 188433, 242271, 314055, 403785, 565299, 726813, 942165, 1211355, 1695897, 2826495, 3634065, 5087691, 8479485, 25438455]

約数ペア:

[(1, 25438455), (3, 8479485), (5, 5087691), (7, 3634065), (9, 2826495), (15, 1695897), (21, 1211355), (27, 942165), (35, 726813), (45, 565299), (63, 403785), (81, 314055), (105, 242271), (135, 188433), (189, 134595), (243, 104685), (315, 80757), (405, 62811), (567, 44865), (729, 34895), (945, 26919), (997, 25515), (1215, 20937), (1701, 14955), (2835, 8973), (2991, 8505), (3645, 6979), (4985, 5103)]