2815155

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{331}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 5800704

約数和(自身を除く): 2985549

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 331, 405, 567, 945, 993, 1215, 1655, 1701, 2317, 2835, 2979, 4965, 6951, 8505, 8937, 11585, 14895, 20853, 26811, 34755, 44685, 62559, 80433, 104265, 134055, 187677, 312795, 402165, 563031, 938385, 2815155]

約数ペア:

[(1, 2815155), (3, 938385), (5, 563031), (7, 402165), (9, 312795), (15, 187677), (21, 134055), (27, 104265), (35, 80433), (45, 62559), (63, 44685), (81, 34755), (105, 26811), (135, 20853), (189, 14895), (243, 11585), (315, 8937), (331, 8505), (405, 6951), (567, 4965), (945, 2979), (993, 2835), (1215, 2317), (1655, 1701)]