851787

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 24

約数和(自身を含む): 1317888

約数和(自身を除く): 466101

約数列:

[1, 3, 9, 31, 43, 71, 93, 129, 213, 279, 387, 639, 1333, 2201, 3053, 3999, 6603, 9159, 11997, 19809, 27477, 94643, 283929, 851787]

約数ペア:

[(1, 851787), (3, 283929), (9, 94643), (31, 27477), (43, 19809), (71, 11997), (93, 9159), (129, 6603), (213, 3999), (279, 3053), (387, 2201), (639, 1333)]