39821379

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 59814720

約数和(自身を除く): 19993341

約数列:

[1, 3, 13, 29, 39, 87, 137, 257, 377, 411, 771, 1131, 1781, 3341, 3973, 5343, 7453, 10023, 11919, 22359, 35209, 51649, 96889, 105627, 154947, 290667, 457717, 1021061, 1373151, 3063183, 13273793, 39821379]

約数ペア:

[(1, 39821379), (3, 13273793), (13, 3063183), (29, 1373151), (39, 1021061), (87, 457717), (137, 290667), (257, 154947), (377, 105627), (411, 96889), (771, 51649), (1131, 35209), (1781, 22359), (3341, 11919), (3973, 10023), (5343, 7453)]