7989723

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4091}}^1$

素因数の和:4135

約数の個数: 24

約数和(自身を含む): 13618176

約数和(自身を除く): 5628453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 4091, 12273, 28637, 36819, 85911, 126821, 257733, 380463, 887747, 1141389, 2663241, 7989723]

約数ペア:

[(1, 7989723), (3, 2663241), (7, 1141389), (9, 887747), (21, 380463), (31, 257733), (63, 126821), (93, 85911), (217, 36819), (279, 28637), (651, 12273), (1953, 4091)]