28270557

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2753}}^1$

素因数の和:2929

約数の個数: 24

約数和(自身を含む): 46972224

約数和(自身を除く): 18701667

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 2753, 3423, 8259, 10269, 19271, 24777, 57813, 173439, 448739, 1346217, 3141173, 4038651, 9423519, 28270557]

約数ペア:

[(1, 28270557), (3, 9423519), (7, 4038651), (9, 3141173), (21, 1346217), (63, 448739), (163, 173439), (489, 57813), (1141, 24777), (1467, 19271), (2753, 10269), (3423, 8259)]