804570651

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{139901}}^1$

素因数の和:139984

約数の個数: 20

約数和(自身を含む): 1218826224

約数和(自身を除く): 414255573

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 139901, 419703, 1259109, 3777327, 9932971, 11331981, 29798913, 89396739, 268190217, 804570651]

約数ペア:

[(1, 804570651), (3, 268190217), (9, 89396739), (27, 29798913), (71, 11331981), (81, 9932971), (213, 3777327), (639, 1259109), (1917, 419703), (5751, 139901)]