18195729

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 26642688

約数和(自身を除く): 8446959

約数列:

[1, 3, 17, 31, 51, 93, 289, 527, 677, 867, 1581, 2031, 8959, 11509, 20987, 26877, 34527, 62961, 195653, 356779, 586959, 1070337, 6065243, 18195729]

約数ペア:

[(1, 18195729), (3, 6065243), (17, 1070337), (31, 586959), (51, 356779), (93, 195653), (289, 62961), (527, 34527), (677, 26877), (867, 20987), (1581, 11509), (2031, 8959)]