724262877

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{687809}}^1$

素因数の和:687834

約数の個数: 20

約数和(自身を含む): 1165150140

約数和(自身を除く): 440887263

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 687809, 2063427, 6190281, 8941517, 18570843, 26824551, 55712529, 80473653, 241420959, 724262877]

約数ペア:

[(1, 724262877), (3, 241420959), (9, 80473653), (13, 55712529), (27, 26824551), (39, 18570843), (81, 8941517), (117, 6190281), (351, 2063427), (1053, 687809)]