66966561

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 101687040

約数和(自身を除く): 34720479

約数列:

[1, 3, 9, 27, 71, 181, 193, 213, 543, 579, 639, 1629, 1737, 1917, 4887, 5211, 12851, 13703, 34933, 38553, 41109, 104799, 115659, 123327, 314397, 346977, 369981, 943191, 2480243, 7440729, 22322187, 66966561]

約数ペア:

[(1, 66966561), (3, 22322187), (9, 7440729), (27, 2480243), (71, 943191), (181, 369981), (193, 346977), (213, 314397), (543, 123327), (579, 115659), (639, 104799), (1629, 41109), (1737, 38553), (1917, 34933), (4887, 13703), (5211, 12851)]