13155087

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20981}}^1$

素因数の和:21014

約数の個数: 16

約数和(自身を含む): 20142720

約数和(自身を除く): 6987633

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 20981, 62943, 230791, 398639, 692373, 1195917, 4385029, 13155087]

約数ペア:

[(1, 13155087), (3, 4385029), (11, 1195917), (19, 692373), (33, 398639), (57, 230791), (209, 62943), (627, 20981)]