17969721

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{11113}}^1$

素因数の和:11141

約数の個数: 24

約数和(自身を含む): 30407904

約数和(自身を除く): 12438183

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 11113, 33339, 77791, 122243, 233373, 366729, 544537, 855701, 1633611, 2567103, 5989907, 17969721]

約数ペア:

[(1, 17969721), (3, 5989907), (7, 2567103), (11, 1633611), (21, 855701), (33, 544537), (49, 366729), (77, 233373), (147, 122243), (231, 77791), (539, 33339), (1617, 11113)]