39905073

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 67704000

約数和(自身を除く): 27798927

約数列:

[1, 3, 9, 13, 19, 29, 39, 57, 87, 117, 171, 247, 261, 377, 551, 619, 741, 1131, 1653, 1857, 2223, 3393, 4959, 5571, 7163, 8047, 11761, 17951, 21489, 24141, 35283, 53853, 64467, 72423, 105849, 152893, 161559, 233363, 341069, 458679, 700089, 1023207, 1376037, 2100267, 3069621, 4433897, 13301691, 39905073]

約数ペア:

[(1, 39905073), (3, 13301691), (9, 4433897), (13, 3069621), (19, 2100267), (29, 1376037), (39, 1023207), (57, 700089), (87, 458679), (117, 341069), (171, 233363), (247, 161559), (261, 152893), (377, 105849), (551, 72423), (619, 64467), (741, 53853), (1131, 35283), (1653, 24141), (1857, 21489), (2223, 17951), (3393, 11761), (4959, 8047), (5571, 7163)]