51380199

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{797}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 87141600

約数和(自身を除く): 35761401

約数列:

[1, 3, 9, 13, 19, 29, 39, 57, 87, 117, 171, 247, 261, 377, 551, 741, 797, 1131, 1653, 2223, 2391, 3393, 4959, 7163, 7173, 10361, 15143, 21489, 23113, 31083, 45429, 64467, 69339, 93249, 136287, 196859, 208017, 300469, 439147, 590577, 901407, 1317441, 1771731, 2704221, 3952323, 5708911, 17126733, 51380199]

約数ペア:

[(1, 51380199), (3, 17126733), (9, 5708911), (13, 3952323), (19, 2704221), (29, 1771731), (39, 1317441), (57, 901407), (87, 590577), (117, 439147), (171, 300469), (247, 208017), (261, 196859), (377, 136287), (551, 93249), (741, 69339), (797, 64467), (1131, 45429), (1653, 31083), (2223, 23113), (2391, 21489), (3393, 15143), (4959, 10361), (7163, 7173)]