15382563

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2213}}^1$

素因数の和:2554

約数の個数: 16

約数和(自身を含む): 23521536

約数和(自身を除く): 8138973

約数列:

[1, 3, 7, 21, 331, 993, 2213, 2317, 6639, 6951, 15491, 46473, 732503, 2197509, 5127521, 15382563]

約数ペア:

[(1, 15382563), (3, 5127521), (7, 2197509), (21, 732503), (331, 46473), (993, 15491), (2213, 6951), (2317, 6639)]