13867581

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 23080960

約数和(自身を除く): 9213379

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 643, 1027, 1659, 1929, 3081, 4501, 7189, 8359, 13503, 21567, 25077, 50797, 58513, 152391, 175539, 355579, 660361, 1066737, 1981083, 4622527, 13867581]

約数ペア:

[(1, 13867581), (3, 4622527), (7, 1981083), (13, 1066737), (21, 660361), (39, 355579), (79, 175539), (91, 152391), (237, 58513), (273, 50797), (553, 25077), (643, 21567), (1027, 13503), (1659, 8359), (1929, 7189), (3081, 4501)]