3973941

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:774

約数の個数: 20

約数和(自身を含む): 6028704

約数和(自身を除く): 2054763

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 691, 1917, 2073, 5751, 6219, 18657, 49061, 55971, 147183, 441549, 1324647, 3973941]

約数ペア:

[(1, 3973941), (3, 1324647), (9, 441549), (27, 147183), (71, 55971), (81, 49061), (213, 18657), (639, 6219), (691, 5751), (1917, 2073)]