12187197

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{479}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 19319040

約数和(自身を除く): 7131843

約数列:

[1, 3, 9, 11, 33, 99, 257, 479, 771, 1437, 2313, 2827, 4311, 5269, 8481, 15807, 25443, 47421, 123103, 369309, 1107927, 1354133, 4062399, 12187197]

約数ペア:

[(1, 12187197), (3, 4062399), (9, 1354133), (11, 1107927), (33, 369309), (99, 123103), (257, 47421), (479, 25443), (771, 15807), (1437, 8481), (2313, 5269), (2827, 4311)]