721170087

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{90679}}^1$

素因数の和:90934

約数の個数: 16

約数和(自身を含む): 1053338880

約数和(自身を除く): 332168793

約数列:

[1, 3, 11, 33, 241, 723, 2651, 7953, 90679, 272037, 997469, 2992407, 21853639, 65560917, 240390029, 721170087]

約数ペア:

[(1, 721170087), (3, 240390029), (11, 65560917), (33, 21853639), (241, 2992407), (723, 997469), (2651, 272037), (7953, 90679)]