12905199

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{463}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 19784960

約数和(自身を除く): 6879761

約数列:

[1, 3, 9, 19, 57, 163, 171, 463, 489, 1389, 1467, 3097, 4167, 8797, 9291, 26391, 27873, 75469, 79173, 226407, 679221, 1433911, 4301733, 12905199]

約数ペア:

[(1, 12905199), (3, 4301733), (9, 1433911), (19, 679221), (57, 226407), (163, 79173), (171, 75469), (463, 27873), (489, 26391), (1389, 9291), (1467, 8797), (3097, 4167)]