30905343

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25819}}^1$

素因数の和:25851

約数の個数: 24

約数和(自身を含む): 53705600

約数和(自身を除く): 22800257

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 25819, 77457, 180733, 232371, 490561, 542199, 1471683, 1626597, 3433927, 4415049, 10301781, 30905343]

約数ペア:

[(1, 30905343), (3, 10301781), (7, 4415049), (9, 3433927), (19, 1626597), (21, 1471683), (57, 542199), (63, 490561), (133, 232371), (171, 180733), (399, 77457), (1197, 25819)]