782379

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{743}}^1$

素因数の和:768

約数の個数: 20

約数和(自身を含む): 1260336

約数和(自身を除く): 477957

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 743, 1053, 2229, 6687, 9659, 20061, 28977, 60183, 86931, 260793, 782379]

約数ペア:

[(1, 782379), (3, 260793), (9, 86931), (13, 60183), (27, 28977), (39, 20061), (81, 9659), (117, 6687), (351, 2229), (743, 1053)]