28825713

素因数分解:

$3^4\times 7^1\times {\mathrm{50839}}^1$

素因数の和:50858

約数の個数: 20

約数和(自身を含む): 49213120

約数和(自身を除く): 20387407

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 50839, 152517, 355873, 457551, 1067619, 1372653, 3202857, 4117959, 9608571, 28825713]

約数ペア:

[(1, 28825713), (3, 9608571), (7, 4117959), (9, 3202857), (21, 1372653), (27, 1067619), (63, 457551), (81, 355873), (189, 152517), (567, 50839)]