3995001

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 40

約数和(自身を含む): 6473984

約数和(自身を除く): 2478983

約数列:

[1, 3, 9, 27, 31, 37, 43, 81, 93, 111, 129, 279, 333, 387, 837, 999, 1147, 1161, 1333, 1591, 2511, 2997, 3441, 3483, 3999, 4773, 10323, 11997, 14319, 30969, 35991, 42957, 49321, 92907, 107973, 128871, 147963, 443889, 1331667, 3995001]

約数ペア:

[(1, 3995001), (3, 1331667), (9, 443889), (27, 147963), (31, 128871), (37, 107973), (43, 92907), (81, 49321), (93, 42957), (111, 35991), (129, 30969), (279, 14319), (333, 11997), (387, 10323), (837, 4773), (999, 3999), (1147, 3483), (1161, 3441), (1333, 2997), (1591, 2511)]