31339945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{68879}}^1$

素因数の和:68904

約数の個数: 16

約数和(自身を含む): 46287360

約数和(自身を除く): 14947415

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 68879, 344395, 482153, 895427, 2410765, 4477135, 6267989, 31339945]

約数ペア:

[(1, 31339945), (5, 6267989), (7, 4477135), (13, 2410765), (35, 895427), (65, 482153), (91, 344395), (455, 68879)]