209829781

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1\times {\mathrm{1013}}^1$

素因数の和:1380

約数の個数: 16

約数和(自身を含む): 242970624

約数和(自身を除く): 33140843

約数列:

[1, 7, 127, 233, 889, 1013, 1631, 7091, 29591, 128651, 207137, 236029, 900557, 1652203, 29975683, 209829781]

約数ペア:

[(1, 209829781), (7, 29975683), (127, 1652203), (233, 900557), (889, 236029), (1013, 207137), (1631, 128651), (7091, 29591)]