16551381

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 27767808

約数和(自身を除く): 11216427

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 523, 959, 1507, 1569, 2877, 3661, 4521, 5753, 10549, 10983, 17259, 31647, 40271, 71651, 120813, 214953, 501557, 788161, 1504671, 2364483, 5517127, 16551381]

約数ペア:

[(1, 16551381), (3, 5517127), (7, 2364483), (11, 1504671), (21, 788161), (33, 501557), (77, 214953), (137, 120813), (231, 71651), (411, 40271), (523, 31647), (959, 17259), (1507, 10983), (1569, 10549), (2877, 5753), (3661, 4521)]