1380642321

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1\times {\mathrm{14489}}^1$

素因数の和:15896

約数の個数: 16

約数和(自身を含む): 1922417280

約数和(自身を除く): 541774959

約数列:

[1, 3, 23, 69, 1381, 4143, 14489, 31763, 43467, 95289, 333247, 999741, 20009309, 60027927, 460214107, 1380642321]

約数ペア:

[(1, 1380642321), (3, 460214107), (23, 60027927), (69, 20009309), (1381, 999741), (4143, 333247), (14489, 95289), (31763, 43467)]