30947931

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4591}}^1$

素因数の和:4711

約数の個数: 24

約数和(自身を含む): 51577344

約数和(自身を除く): 20629413

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 4591, 6741, 13773, 32137, 41319, 96411, 289233, 491237, 1473711, 3438659, 4421133, 10315977, 30947931]

約数ペア:

[(1, 30947931), (3, 10315977), (7, 4421133), (9, 3438659), (21, 1473711), (63, 491237), (107, 289233), (321, 96411), (749, 41319), (963, 32137), (2247, 13773), (4591, 6741)]