13989339

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 96

約数和(自身を含む): 27955200

約数和(自身を除く): 13965861

約数列:

[1, 3, 7, 9, 13, 19, 21, 29, 31, 39, 57, 63, 87, 91, 93, 117, 133, 171, 203, 217, 247, 261, 273, 279, 377, 399, 403, 551, 589, 609, 651, 741, 819, 899, 1131, 1197, 1209, 1653, 1729, 1767, 1827, 1953, 2223, 2639, 2697, 2821, 3393, 3627, 3857, 4123, 4959, 5187, 5301, 6293, 7163, 7657, 7917, 8091, 8463, 11571, 11687, 12369, 15561, 17081, 18879, 21489, 22971, 23751, 25389, 34713, 35061, 37107, 50141, 51243, 53599, 56637, 64467, 68913, 81809, 105183, 119567, 150423, 153729, 160797, 222053, 245427, 358701, 451269, 482391, 666159, 736281, 1076103, 1554371, 1998477, 4663113, 13989339]

約数ペア:

[(1, 13989339), (3, 4663113), (7, 1998477), (9, 1554371), (13, 1076103), (19, 736281), (21, 666159), (29, 482391), (31, 451269), (39, 358701), (57, 245427), (63, 222053), (87, 160797), (91, 153729), (93, 150423), (117, 119567), (133, 105183), (171, 81809), (203, 68913), (217, 64467), (247, 56637), (261, 53599), (273, 51243), (279, 50141), (377, 37107), (399, 35061), (403, 34713), (551, 25389), (589, 23751), (609, 22971), (651, 21489), (741, 18879), (819, 17081), (899, 15561), (1131, 12369), (1197, 11687), (1209, 11571), (1653, 8463), (1729, 8091), (1767, 7917), (1827, 7657), (1953, 7163), (2223, 6293), (2639, 5301), (2697, 5187), (2821, 4959), (3393, 4123), (3627, 3857)]