768717

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:481

約数の個数: 16

約数和(自身を含む): 1157760

約数和(自身を除く): 389043

約数列:

[1, 3, 9, 27, 71, 213, 401, 639, 1203, 1917, 3609, 10827, 28471, 85413, 256239, 768717]

約数ペア:

[(1, 768717), (3, 256239), (9, 85413), (27, 28471), (71, 10827), (213, 3609), (401, 1917), (639, 1203)]