1331667

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 32

約数和(自身を含む): 2140160

約数和(自身を除く): 808493

約数列:

[1, 3, 9, 27, 31, 37, 43, 93, 111, 129, 279, 333, 387, 837, 999, 1147, 1161, 1333, 1591, 3441, 3999, 4773, 10323, 11997, 14319, 30969, 35991, 42957, 49321, 147963, 443889, 1331667]

約数ペア:

[(1, 1331667), (3, 443889), (9, 147963), (27, 49321), (31, 42957), (37, 35991), (43, 30969), (93, 14319), (111, 11997), (129, 10323), (279, 4773), (333, 3999), (387, 3441), (837, 1591), (999, 1333), (1147, 1161)]