86973939

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{181}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 143401440

約数和(自身を除く): 56427501

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 181, 333, 351, 481, 543, 999, 1369, 1443, 1629, 2353, 4107, 4329, 4887, 6697, 7059, 12321, 12987, 17797, 20091, 21177, 36963, 53391, 60273, 63531, 87061, 160173, 180819, 247789, 261183, 480519, 743367, 783549, 2230101, 2350647, 3221257, 6690303, 9663771, 28991313, 86973939]

約数ペア:

[(1, 86973939), (3, 28991313), (9, 9663771), (13, 6690303), (27, 3221257), (37, 2350647), (39, 2230101), (111, 783549), (117, 743367), (181, 480519), (333, 261183), (351, 247789), (481, 180819), (543, 160173), (999, 87061), (1369, 63531), (1443, 60273), (1629, 53391), (2353, 36963), (4107, 21177), (4329, 20091), (4887, 17797), (6697, 12987), (7059, 12321)]