51980229

素因数分解:

$3^2\times 7^2\times {\mathrm{311}}^1\times {\mathrm{379}}^1$

素因数の和:710

約数の個数: 36

約数和(自身を含む): 87852960

約数和(自身を除く): 35872731

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 311, 379, 441, 933, 1137, 2177, 2653, 2799, 3411, 6531, 7959, 15239, 18571, 19593, 23877, 45717, 55713, 117869, 137151, 167139, 353607, 825083, 1060821, 2475249, 5775581, 7425747, 17326743, 51980229]

約数ペア:

[(1, 51980229), (3, 17326743), (7, 7425747), (9, 5775581), (21, 2475249), (49, 1060821), (63, 825083), (147, 353607), (311, 167139), (379, 137151), (441, 117869), (933, 55713), (1137, 45717), (2177, 23877), (2653, 19593), (2799, 18571), (3411, 15239), (6531, 7959)]