31306707

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2803}}^1$

素因数の和:2899

約数の個数: 24

約数和(自身を含む): 48554064

約数和(自身を除く): 17247357

約数列:

[1, 3, 9, 17, 51, 73, 153, 219, 657, 1241, 2803, 3723, 8409, 11169, 25227, 47651, 142953, 204619, 428859, 613857, 1841571, 3478523, 10435569, 31306707]

約数ペア:

[(1, 31306707), (3, 10435569), (9, 3478523), (17, 1841571), (51, 613857), (73, 428859), (153, 204619), (219, 142953), (657, 47651), (1241, 25227), (2803, 11169), (3723, 8409)]