1387663947

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{809}}^1$

素因数の和:973

約数の個数: 64

約数和(自身を含む): 2260483200

約数和(自身を除く): 872819253

約数列:

[1, 3, 9, 17, 27, 37, 51, 101, 111, 153, 303, 333, 459, 629, 809, 909, 999, 1717, 1887, 2427, 2727, 3737, 5151, 5661, 7281, 11211, 13753, 15453, 16983, 21843, 29933, 33633, 41259, 46359, 63529, 81709, 89799, 100899, 123777, 190587, 245127, 269397, 371331, 508861, 571761, 735381, 808191, 1389053, 1526583, 1715283, 2206143, 3023233, 4167159, 4579749, 9069699, 12501477, 13739247, 27209097, 37504431, 51394961, 81627291, 154184883, 462554649, 1387663947]

約数ペア:

[(1, 1387663947), (3, 462554649), (9, 154184883), (17, 81627291), (27, 51394961), (37, 37504431), (51, 27209097), (101, 13739247), (111, 12501477), (153, 9069699), (303, 4579749), (333, 4167159), (459, 3023233), (629, 2206143), (809, 1715283), (909, 1526583), (999, 1389053), (1717, 808191), (1887, 735381), (2427, 571761), (2727, 508861), (3737, 371331), (5151, 269397), (5661, 245127), (7281, 190587), (11211, 123777), (13753, 100899), (15453, 89799), (16983, 81709), (21843, 63529), (29933, 46359), (33633, 41259)]