121475781

素因数分解:

$3^4\times 7^1\times {\mathrm{214243}}^1$

素因数の和:214262

約数の個数: 20

約数和(自身を含む): 207388192

約数和(自身を除く): 85912411

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 214243, 642729, 1499701, 1928187, 4499103, 5784561, 13497309, 17353683, 40491927, 121475781]

約数ペア:

[(1, 121475781), (3, 40491927), (7, 17353683), (9, 13497309), (21, 5784561), (27, 4499103), (63, 1928187), (81, 1499701), (189, 642729), (567, 214243)]