15665481

素因数分解:

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

素因数の和:82

約数の個数: 64

約数和(自身を含む): 27552000

約数和(自身を除く): 11886519

約数列:

[1, 3, 9, 13, 19, 27, 29, 39, 57, 81, 87, 117, 171, 243, 247, 261, 351, 377, 513, 551, 729, 741, 783, 1053, 1131, 1539, 1653, 2187, 2223, 2349, 3159, 3393, 4617, 4959, 6669, 7047, 7163, 9477, 10179, 13851, 14877, 20007, 21141, 21489, 28431, 30537, 41553, 44631, 60021, 63423, 64467, 91611, 133893, 180063, 193401, 274833, 401679, 540189, 580203, 824499, 1205037, 1740609, 5221827, 15665481]

約数ペア:

[(1, 15665481), (3, 5221827), (9, 1740609), (13, 1205037), (19, 824499), (27, 580203), (29, 540189), (39, 401679), (57, 274833), (81, 193401), (87, 180063), (117, 133893), (171, 91611), (243, 64467), (247, 63423), (261, 60021), (351, 44631), (377, 41553), (513, 30537), (551, 28431), (729, 21489), (741, 21141), (783, 20007), (1053, 14877), (1131, 13851), (1539, 10179), (1653, 9477), (2187, 7163), (2223, 7047), (2349, 6669), (3159, 4959), (3393, 4617)]