212345217

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{19483}}^1$

素因数の和:19669

約数の個数: 24

約数和(自身を含む): 352582464

約数和(自身を除く): 140237247

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1557, 3633, 10899, 19483, 58449, 136381, 175347, 409143, 1227429, 3370559, 10111677, 23593913, 30335031, 70781739, 212345217]

約数ペア:

[(1, 212345217), (3, 70781739), (7, 30335031), (9, 23593913), (21, 10111677), (63, 3370559), (173, 1227429), (519, 409143), (1211, 175347), (1557, 136381), (3633, 58449), (10899, 19483)]