81990453

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 120124800

約数和(自身を除く): 38134347

約数列:

[1, 3, 19, 29, 57, 87, 193, 257, 551, 579, 771, 1653, 3667, 4883, 5597, 7453, 11001, 14649, 16791, 22359, 49601, 106343, 141607, 148803, 319029, 424821, 942419, 1438429, 2827257, 4315287, 27330151, 81990453]

約数ペア:

[(1, 81990453), (3, 27330151), (19, 4315287), (29, 2827257), (57, 1438429), (87, 942419), (193, 424821), (257, 319029), (551, 148803), (579, 141607), (771, 106343), (1653, 49601), (3667, 22359), (4883, 16791), (5597, 14649), (7453, 11001)]