23397157

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 28614912

約数和(自身を除く): 5217755

約数列:

[1, 7, 31, 49, 73, 211, 217, 511, 1477, 1519, 2263, 3577, 6541, 10339, 15403, 15841, 45787, 107821, 110887, 320509, 477493, 754747, 3342451, 23397157]

約数ペア:

[(1, 23397157), (7, 3342451), (31, 754747), (49, 477493), (73, 320509), (211, 110887), (217, 107821), (511, 45787), (1477, 15841), (1519, 15403), (2263, 10339), (3577, 6541)]