64840293

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2851}}^1$

素因数の和:2902

約数の個数: 36

約数和(自身を含む): 113007648

約数和(自身を除く): 48167355

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 361, 399, 1083, 1197, 2527, 2851, 3249, 7581, 8553, 19957, 22743, 25659, 54169, 59871, 162507, 179613, 379183, 487521, 1029211, 1137549, 3087633, 3412647, 7204477, 9262899, 21613431, 64840293]

約数ペア:

[(1, 64840293), (3, 21613431), (7, 9262899), (9, 7204477), (19, 3412647), (21, 3087633), (57, 1137549), (63, 1029211), (133, 487521), (171, 379183), (361, 179613), (399, 162507), (1083, 59871), (1197, 54169), (2527, 25659), (2851, 22743), (3249, 19957), (7581, 8553)]