13851891

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:193

約数の個数: 40

約数和(自身を含む): 21913584

約数和(自身を除く): 8061693

約数列:

[1, 3, 9, 27, 41, 43, 81, 97, 123, 129, 291, 369, 387, 873, 1107, 1161, 1763, 2619, 3321, 3483, 3977, 4171, 5289, 7857, 11931, 12513, 15867, 35793, 37539, 47601, 107379, 112617, 142803, 171011, 322137, 337851, 513033, 1539099, 4617297, 13851891]

約数ペア:

[(1, 13851891), (3, 4617297), (9, 1539099), (27, 513033), (41, 337851), (43, 322137), (81, 171011), (97, 142803), (123, 112617), (129, 107379), (291, 47601), (369, 37539), (387, 35793), (873, 15867), (1107, 12513), (1161, 11931), (1763, 7857), (2619, 5289), (3321, 4171), (3483, 3977)]