1388922015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{418981}}^1$

素因数の和:419019

約数の個数: 32

約数和(自身を含む): 2534003136

約数和(自身を除く): 1145081121

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 418981, 1256943, 2094905, 5446753, 6284715, 7122677, 16340259, 21368031, 27233765, 35613385, 81701295, 92594801, 106840155, 277784403, 462974005, 1388922015]

約数ペア:

[(1, 1388922015), (3, 462974005), (5, 277784403), (13, 106840155), (15, 92594801), (17, 81701295), (39, 35613385), (51, 27233765), (65, 21368031), (85, 16340259), (195, 7122677), (221, 6284715), (255, 5446753), (663, 2094905), (1105, 1256943), (3315, 418981)]