1318888971

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{108631}}^1$

素因数の和:108727

約数の個数: 24

約数和(自身を含む): 2033591040

約数和(自身を除く): 714702069

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 4047, 12141, 108631, 325893, 977679, 2063989, 6191967, 7712801, 18575901, 23138403, 69415209, 146543219, 439629657, 1318888971]

約数ペア:

[(1, 1318888971), (3, 439629657), (9, 146543219), (19, 69415209), (57, 23138403), (71, 18575901), (171, 7712801), (213, 6191967), (639, 2063989), (1349, 977679), (4047, 325893), (12141, 108631)]