813969

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{773}}^1$

素因数の和:798

約数の個数: 20

約数和(自身を含む): 1311156

約数和(自身を除く): 497187

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 773, 1053, 2319, 6957, 10049, 20871, 30147, 62613, 90441, 271323, 813969]

約数ペア:

[(1, 813969), (3, 271323), (9, 90441), (13, 62613), (27, 30147), (39, 20871), (81, 10049), (117, 6957), (351, 2319), (773, 1053)]