28697991

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{33331}}^1$

素因数の和:33382

約数の個数: 16

約数和(自身を含む): 44798208

約数和(自身を除く): 16100217

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 33331, 99993, 233317, 699951, 1366571, 4099713, 9565997, 28697991]

約数ペア:

[(1, 28697991), (3, 9565997), (7, 4099713), (21, 1366571), (41, 699951), (123, 233317), (287, 99993), (861, 33331)]