2597805

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{2749}}^1$

素因数の和:2770

約数の個数: 32

約数和(自身を含む): 5280000

約数和(自身を除く): 2682195

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 2749, 8247, 13745, 19243, 24741, 41235, 57729, 74223, 96215, 123705, 173187, 288645, 371115, 519561, 865935, 2597805]

約数ペア:

[(1, 2597805), (3, 865935), (5, 519561), (7, 371115), (9, 288645), (15, 173187), (21, 123705), (27, 96215), (35, 74223), (45, 57729), (63, 41235), (105, 24741), (135, 19243), (189, 13745), (315, 8247), (945, 2749)]