15682401

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{827}}^1$

素因数の和:890

約数の個数: 36

約数和(自身を含む): 26996112

約数和(自身を除く): 11313711

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 827, 903, 2107, 2481, 2709, 5789, 6321, 7443, 17367, 18963, 35561, 40523, 52101, 106683, 121569, 248927, 320049, 364707, 746781, 1742489, 2240343, 5227467, 15682401]

約数ペア:

[(1, 15682401), (3, 5227467), (7, 2240343), (9, 1742489), (21, 746781), (43, 364707), (49, 320049), (63, 248927), (129, 121569), (147, 106683), (301, 52101), (387, 40523), (441, 35561), (827, 18963), (903, 17367), (2107, 7443), (2481, 6321), (2709, 5789)]