201810105

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{640667}}^1$

素因数の和:640685

約数の個数: 24

約数和(自身を含む): 399776832

約数和(自身を除く): 197966727

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 640667, 1922001, 3203335, 4484669, 5766003, 9610005, 13454007, 22423345, 28830015, 40362021, 67270035, 201810105]

約数ペア:

[(1, 201810105), (3, 67270035), (5, 40362021), (7, 28830015), (9, 22423345), (15, 13454007), (21, 9610005), (35, 5766003), (45, 4484669), (63, 3203335), (105, 1922001), (315, 640667)]