1663917021

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{6907}}^1$

素因数の和:7026

約数の個数: 48

約数和(自身を含む): 2715672960

約数和(自身を除く): 1051755939

約数列:

[1, 3, 9, 13, 29, 39, 71, 87, 117, 213, 261, 377, 639, 923, 1131, 2059, 2769, 3393, 6177, 6907, 8307, 18531, 20721, 26767, 62163, 80301, 89791, 200303, 240903, 269373, 490397, 600909, 808119, 1471191, 1802727, 2603939, 4413573, 6375161, 7811817, 14221513, 19125483, 23435451, 42664539, 57376449, 127993617, 184879669, 554639007, 1663917021]

約数ペア:

[(1, 1663917021), (3, 554639007), (9, 184879669), (13, 127993617), (29, 57376449), (39, 42664539), (71, 23435451), (87, 19125483), (117, 14221513), (213, 7811817), (261, 6375161), (377, 4413573), (639, 2603939), (923, 1802727), (1131, 1471191), (2059, 808119), (2769, 600909), (3393, 490397), (6177, 269373), (6907, 240903), (8307, 200303), (18531, 89791), (20721, 80301), (26767, 62163)]