2531313

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 3912480

約数和(自身を除く): 1381167

約数列:

[1, 3, 9, 19, 57, 113, 131, 171, 339, 393, 1017, 1179, 2147, 2489, 6441, 7467, 14803, 19323, 22401, 44409, 133227, 281257, 843771, 2531313]

約数ペア:

[(1, 2531313), (3, 843771), (9, 281257), (19, 133227), (57, 44409), (113, 22401), (131, 19323), (171, 14803), (339, 7467), (393, 6441), (1017, 2489), (1179, 2147)]