30851289

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7309}}^1$

素因数の和:7389

約数の個数: 24

約数和(自身を含む): 51696320

約数和(自身を除く): 20845031

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 7309, 21927, 51163, 65781, 153489, 460467, 489703, 1469109, 3427921, 4407327, 10283763, 30851289]

約数ペア:

[(1, 30851289), (3, 10283763), (7, 4407327), (9, 3427921), (21, 1469109), (63, 489703), (67, 460467), (201, 153489), (469, 65781), (603, 51163), (1407, 21927), (4221, 7309)]