2639805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 4988928

約数和(自身を除く): 2349123

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 811, 1085, 2433, 3255, 4055, 5677, 12165, 17031, 25141, 28385, 75423, 85155, 125705, 175987, 377115, 527961, 879935, 2639805]

約数ペア:

[(1, 2639805), (3, 879935), (5, 527961), (7, 377115), (15, 175987), (21, 125705), (31, 85155), (35, 75423), (93, 28385), (105, 25141), (155, 17031), (217, 12165), (465, 5677), (651, 4055), (811, 3255), (1085, 2433)]