1388330037

素因数分解:

$3^4\times {\mathrm{439}}^1\times {\mathrm{39043}}^1$

素因数の和:39494

約数の個数: 20

約数和(自身を含む): 2078702560

約数和(自身を除く): 690372523

約数列:

[1, 3, 9, 27, 81, 439, 1317, 3951, 11853, 35559, 39043, 117129, 351387, 1054161, 3162483, 17139877, 51419631, 154258893, 462776679, 1388330037]

約数ペア:

[(1, 1388330037), (3, 462776679), (9, 154258893), (27, 51419631), (81, 17139877), (439, 3162483), (1317, 1054161), (3951, 351387), (11853, 117129), (35559, 39043)]