1399888917

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{716789}}^1$

素因数の和:716833

約数の個数: 24

約数和(自身を含む): 2385477120

約数和(自身を除く): 985588203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 716789, 2150367, 5017523, 6451101, 15052569, 22220459, 45157707, 66661377, 155543213, 199984131, 466629639, 1399888917]

約数ペア:

[(1, 1399888917), (3, 466629639), (7, 199984131), (9, 155543213), (21, 66661377), (31, 45157707), (63, 22220459), (93, 15052569), (217, 6451101), (279, 5017523), (651, 2150367), (1953, 716789)]