83979

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 24

約数和(自身を含む): 146432

約数和(自身を除く): 62453

約数列:

[1, 3, 7, 9, 21, 31, 43, 63, 93, 129, 217, 279, 301, 387, 651, 903, 1333, 1953, 2709, 3999, 9331, 11997, 27993, 83979]

約数ペア:

[(1, 83979), (3, 27993), (7, 11997), (9, 9331), (21, 3999), (31, 2709), (43, 1953), (63, 1333), (93, 903), (129, 651), (217, 387), (279, 301)]