15243291

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1847}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 25369344

約数和(自身を除く): 10126053

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 1847, 2751, 5541, 8253, 12929, 16623, 38787, 116361, 241957, 725871, 1693699, 2177613, 5081097, 15243291]

約数ペア:

[(1, 15243291), (3, 5081097), (7, 2177613), (9, 1693699), (21, 725871), (63, 241957), (131, 116361), (393, 38787), (917, 16623), (1179, 12929), (1847, 8253), (2751, 5541)]