11815215

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1489}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 19775280

約数和(自身を除く): 7960065

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 529, 1489, 1587, 2645, 4467, 7445, 7935, 22335, 34247, 102741, 171235, 513705, 787681, 2363043, 3938405, 11815215]

約数ペア:

[(1, 11815215), (3, 3938405), (5, 2363043), (15, 787681), (23, 513705), (69, 171235), (115, 102741), (345, 34247), (529, 22335), (1489, 7935), (1587, 7445), (2645, 4467)]