13378981

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{727}}^1$

素因数の和:984

約数の個数: 16

約数和(自身を含む): 16773120

約数和(自身を除く): 3394139

約数列:

[1, 7, 11, 77, 239, 727, 1673, 2629, 5089, 7997, 18403, 55979, 173753, 1216271, 1911283, 13378981]

約数ペア:

[(1, 13378981), (7, 1911283), (11, 1216271), (77, 173753), (239, 55979), (727, 18403), (1673, 7997), (2629, 5089)]