26830809

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 40102920

約数和(自身を除く): 13272111

約数列:

[1, 3, 9, 37, 111, 197, 333, 409, 591, 1227, 1773, 3681, 7289, 15133, 21867, 45399, 65601, 80573, 136197, 241719, 725157, 2981201, 8943603, 26830809]

約数ペア:

[(1, 26830809), (3, 8943603), (9, 2981201), (37, 725157), (111, 241719), (197, 136197), (333, 80573), (409, 65601), (591, 45399), (1227, 21867), (1773, 15133), (3681, 7289)]