12941991

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{3217}}^1$

素因数の和:3375

約数の個数: 16

約数和(自身を含む): 19308000

約数和(自身を除く): 6366009

約数列:

[1, 3, 9, 27, 149, 447, 1341, 3217, 4023, 9651, 28953, 86859, 479333, 1437999, 4313997, 12941991]

約数ペア:

[(1, 12941991), (3, 4313997), (9, 1437999), (27, 479333), (149, 86859), (447, 28953), (1341, 9651), (3217, 4023)]