31021473

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^2\times {\mathrm{157}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 48067392

約数和(自身を除く): 17045919

約数列:

[1, 3, 7, 21, 97, 157, 291, 471, 679, 1099, 2037, 3297, 9409, 15229, 28227, 45687, 65863, 106603, 197589, 319809, 1477213, 4431639, 10340491, 31021473]

約数ペア:

[(1, 31021473), (3, 10340491), (7, 4431639), (21, 1477213), (97, 319809), (157, 197589), (291, 106603), (471, 65863), (679, 45687), (1099, 28227), (2037, 15229), (3297, 9409)]