13258287

素因数分解:

$3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{541}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 21983520

約数和(自身を除く): 8725233

約数列:

[1, 3, 7, 9, 21, 63, 389, 541, 1167, 1623, 2723, 3501, 3787, 4869, 8169, 11361, 24507, 34083, 210449, 631347, 1473143, 1894041, 4419429, 13258287]

約数ペア:

[(1, 13258287), (3, 4419429), (7, 1894041), (9, 1473143), (21, 631347), (63, 210449), (389, 34083), (541, 24507), (1167, 11361), (1623, 8169), (2723, 4869), (3501, 3787)]