1563651

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2035

約数の個数: 16

約数和(自身を含む): 2397600

約数和(自身を除く): 833949

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 1997, 5991, 17973, 53919, 57913, 173739, 521217, 1563651]

約数ペア:

[(1, 1563651), (3, 521217), (9, 173739), (27, 57913), (29, 53919), (87, 17973), (261, 5991), (783, 1997)]