393819993

素因数分解:

$3^2\times 7^1\times {\mathrm{367}}^1\times {\mathrm{17033}}^1$

素因数の和:17413

約数の個数: 24

約数和(自身を含む): 651925248

約数和(自身を除く): 258105255

約数列:

[1, 3, 7, 9, 21, 63, 367, 1101, 2569, 3303, 7707, 17033, 23121, 51099, 119231, 153297, 357693, 1073079, 6251111, 18753333, 43757777, 56259999, 131273331, 393819993]

約数ペア:

[(1, 393819993), (3, 131273331), (7, 56259999), (9, 43757777), (21, 18753333), (63, 6251111), (367, 1073079), (1101, 357693), (2569, 153297), (3303, 119231), (7707, 51099), (17033, 23121)]