81622647

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{6763}}^1$

素因数の和:6924

約数の個数: 20

約数和(自身を含む): 122766600

約数和(自身を除く): 41143953

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 4023, 6763, 12069, 20289, 60867, 182601, 547803, 1007687, 3023061, 9069183, 27207549, 81622647]

約数ペア:

[(1, 81622647), (3, 27207549), (9, 9069183), (27, 3023061), (81, 1007687), (149, 547803), (447, 182601), (1341, 60867), (4023, 20289), (6763, 12069)]