13249215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{42061}}^1$

素因数の和:42079

約数の個数: 24

約数和(自身を含む): 26246688

約数和(自身を除く): 12997473

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 42061, 126183, 210305, 294427, 378549, 630915, 883281, 1472135, 1892745, 2649843, 4416405, 13249215]

約数ペア:

[(1, 13249215), (3, 4416405), (5, 2649843), (7, 1892745), (9, 1472135), (15, 883281), (21, 630915), (35, 378549), (45, 294427), (63, 210305), (105, 126183), (315, 42061)]