12648027

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 19790400

約数和(自身を除く): 7142373

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 619, 973, 1857, 2919, 4333, 6811, 12999, 20433, 30331, 86041, 90993, 258123, 602287, 1806861, 4216009, 12648027]

約数ペア:

[(1, 12648027), (3, 4216009), (7, 1806861), (21, 602287), (49, 258123), (139, 90993), (147, 86041), (417, 30331), (619, 20433), (973, 12999), (1857, 6811), (2919, 4333)]