555321

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 826560

約数和(自身を除く): 271239

約数列:

[1, 3, 13, 29, 39, 87, 377, 491, 1131, 1473, 6383, 14239, 19149, 42717, 185107, 555321]

約数ペア:

[(1, 555321), (3, 185107), (13, 42717), (29, 19149), (39, 14239), (87, 6383), (377, 1473), (491, 1131)]