55149213

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{661}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 87701760

約数和(自身を除く): 32552547

約数列:

[1, 3, 7, 21, 29, 87, 137, 203, 411, 609, 661, 959, 1983, 2877, 3973, 4627, 11919, 13881, 19169, 27811, 57507, 83433, 90557, 134183, 271671, 402549, 633899, 1901697, 2626153, 7878459, 18383071, 55149213]

約数ペア:

[(1, 55149213), (3, 18383071), (7, 7878459), (21, 2626153), (29, 1901697), (87, 633899), (137, 402549), (203, 271671), (411, 134183), (609, 90557), (661, 83433), (959, 57507), (1983, 27811), (2877, 19169), (3973, 13881), (4627, 11919)]