64660743

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7717}}^1$

素因数の和:7756

約数の個数: 36

約数和(自身を含む): 114380760

約数和(自身を除く): 49720017

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 7717, 8379, 23151, 54019, 69453, 146623, 162057, 378133, 439869, 486171, 1026361, 1134399, 1319607, 3079083, 3403197, 7184527, 9237249, 21553581, 64660743]

約数ペア:

[(1, 64660743), (3, 21553581), (7, 9237249), (9, 7184527), (19, 3403197), (21, 3079083), (49, 1319607), (57, 1134399), (63, 1026361), (133, 486171), (147, 439869), (171, 378133), (399, 162057), (441, 146623), (931, 69453), (1197, 54019), (2793, 23151), (7717, 8379)]