920562357

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{30223}}^1$

素因数の和:30321

約数の個数: 32

約数和(自身を含む): 1462358016

約数和(自身を除く): 541795659

約数列:

[1, 3, 11, 13, 33, 39, 71, 143, 213, 429, 781, 923, 2343, 2769, 10153, 30223, 30459, 90669, 332453, 392899, 997359, 1178697, 2145833, 4321889, 6437499, 12965667, 23604163, 27895829, 70812489, 83687487, 306854119, 920562357]

約数ペア:

[(1, 920562357), (3, 306854119), (11, 83687487), (13, 70812489), (33, 27895829), (39, 23604163), (71, 12965667), (143, 6437499), (213, 4321889), (429, 2145833), (781, 1178697), (923, 997359), (2343, 392899), (2769, 332453), (10153, 90669), (30223, 30459)]