81021786

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 175512576

約数和(自身を除く): 94490790

約数列:

[1, 2, 3, 6, 31, 37, 61, 62, 74, 93, 111, 122, 183, 186, 193, 222, 366, 386, 579, 1147, 1158, 1891, 2257, 2294, 3441, 3782, 4514, 5673, 5983, 6771, 6882, 7141, 11346, 11773, 11966, 13542, 14282, 17949, 21423, 23546, 35319, 35898, 42846, 69967, 70638, 139934, 209901, 221371, 364963, 419802, 435601, 442742, 664113, 729926, 871202, 1094889, 1306803, 1328226, 2189778, 2613606, 13503631, 27007262, 40510893, 81021786]

約数ペア:

[(1, 81021786), (2, 40510893), (3, 27007262), (6, 13503631), (31, 2613606), (37, 2189778), (61, 1328226), (62, 1306803), (74, 1094889), (93, 871202), (111, 729926), (122, 664113), (183, 442742), (186, 435601), (193, 419802), (222, 364963), (366, 221371), (386, 209901), (579, 139934), (1147, 70638), (1158, 69967), (1891, 42846), (2257, 35898), (2294, 35319), (3441, 23546), (3782, 21423), (4514, 17949), (5673, 14282), (5983, 13542), (6771, 11966), (6882, 11773), (7141, 11346)]