247486029

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{406381}}^1$

素因数の和:406420

約数の個数: 16

約数和(自身を含む): 390126720

約数和(自身を除く): 142640691

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 406381, 1219143, 2844667, 8534001, 11785049, 35355147, 82495343, 247486029]

約数ペア:

[(1, 247486029), (3, 82495343), (7, 35355147), (21, 11785049), (29, 8534001), (87, 2844667), (203, 1219143), (609, 406381)]