13217085

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41959}}^1$

素因数の和:41977

約数の個数: 24

約数和(自身を含む): 26183040

約数和(自身を除く): 12965955

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 41959, 125877, 209795, 293713, 377631, 629385, 881139, 1468565, 1888155, 2643417, 4405695, 13217085]

約数ペア:

[(1, 13217085), (3, 4405695), (5, 2643417), (7, 1888155), (9, 1468565), (15, 881139), (21, 629385), (35, 377631), (45, 293713), (63, 209795), (105, 125877), (315, 41959)]