278327079

素因数分解:

$3^2\times {\mathrm{61}}^2\times {\mathrm{8311}}^1$

素因数の和:8439

約数の個数: 18

約数和(自身を含む): 408775848

約数和(自身を除く): 130448769

約数列:

[1, 3, 9, 61, 183, 549, 3721, 8311, 11163, 24933, 33489, 74799, 506971, 1520913, 4562739, 30925231, 92775693, 278327079]

約数ペア:

[(1, 278327079), (3, 92775693), (9, 30925231), (61, 4562739), (183, 1520913), (549, 506971), (3721, 74799), (8311, 33489), (11163, 24933)]