248394867

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{27701}}^1$

素因数の和:27779

約数の個数: 24

約数和(自身を含む): 391595472

約数和(自身を除く): 143200605

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2989, 8967, 27701, 83103, 193907, 581721, 1357349, 1689761, 4072047, 5069283, 11828327, 35484981, 82798289, 248394867]

約数ペア:

[(1, 248394867), (3, 82798289), (7, 35484981), (21, 11828327), (49, 5069283), (61, 4072047), (147, 1689761), (183, 1357349), (427, 581721), (1281, 193907), (2989, 83103), (8967, 27701)]