13874409

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{1663}}^1$

素因数の和:1778

約数の個数: 20

約数和(自身を含む): 20939776

約数和(自身を除く): 7065367

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 1663, 2781, 4989, 8343, 14967, 44901, 134703, 171289, 513867, 1541601, 4624803, 13874409]

約数ペア:

[(1, 13874409), (3, 4624803), (9, 1541601), (27, 513867), (81, 171289), (103, 134703), (309, 44901), (927, 14967), (1663, 8343), (2781, 4989)]