19730907

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2927}}^1$

素因数の和:3047

約数の個数: 24

約数和(自身を含む): 32887296

約数和(自身を除く): 13156389

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 2927, 6741, 8781, 20489, 26343, 61467, 184401, 313189, 939567, 2192323, 2818701, 6576969, 19730907]

約数ペア:

[(1, 19730907), (3, 6576969), (7, 2818701), (9, 2192323), (21, 939567), (63, 313189), (107, 184401), (321, 61467), (749, 26343), (963, 20489), (2247, 8781), (2927, 6741)]