77021847

素因数分解:

$3^4\times 7^1\times {\mathrm{135841}}^1$

素因数の和:135860

約数の個数: 20

約数和(自身を含む): 131495056

約数和(自身を除く): 54473209

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 135841, 407523, 950887, 1222569, 2852661, 3667707, 8557983, 11003121, 25673949, 77021847]

約数ペア:

[(1, 77021847), (3, 25673949), (7, 11003121), (9, 8557983), (21, 3667707), (27, 2852661), (63, 1222569), (81, 950887), (189, 407523), (567, 135841)]