228220641

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{209569}}^1$

素因数の和:209597

約数の個数: 18

約数和(自身を含む): 362346530

約数和(自身を除く): 134125889

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 209569, 628707, 1886121, 2305259, 6915777, 20747331, 25357849, 76073547, 228220641]

約数ペア:

[(1, 228220641), (3, 76073547), (9, 25357849), (11, 20747331), (33, 6915777), (99, 2305259), (121, 1886121), (363, 628707), (1089, 209569)]