201761847

素因数分解:

$3^4\times 7^1\times {\mathrm{355841}}^1$

素因数の和:355860

約数の個数: 20

約数和(自身を含む): 344455056

約数和(自身を除く): 142693209

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 355841, 1067523, 2490887, 3202569, 7472661, 9607707, 22417983, 28823121, 67253949, 201761847]

約数ペア:

[(1, 201761847), (3, 67253949), (7, 28823121), (9, 22417983), (21, 9607707), (27, 7472661), (63, 3202569), (81, 2490887), (189, 1067523), (567, 355841)]