31117251

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21929}}^1$

素因数の和:21986

約数の個数: 16

約数和(自身を含む): 46316160

約数和(自身を除く): 15198909

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 21929, 65787, 241219, 723657, 942947, 2828841, 10372417, 31117251]

約数ペア:

[(1, 31117251), (3, 10372417), (11, 2828841), (33, 942947), (43, 723657), (129, 241219), (473, 65787), (1419, 21929)]