207628911

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{20219}}^1$

素因数の和:20395

約数の個数: 24

約数和(自身を含む): 344872320

約数和(自身を除く): 137243409

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 3423, 10269, 20219, 60657, 141533, 181971, 424599, 1273797, 3295697, 9887091, 23069879, 29661273, 69209637, 207628911]

約数ペア:

[(1, 207628911), (3, 69209637), (7, 29661273), (9, 23069879), (21, 9887091), (63, 3295697), (163, 1273797), (489, 424599), (1141, 181971), (1467, 141533), (3423, 60657), (10269, 20219)]