30971759

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10979}}^1$

素因数の和:11030

約数の個数: 16

約数和(自身を含む): 39352320

約数和(自身を除く): 8380561

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 10979, 76853, 142727, 340349, 999089, 2382443, 4424537, 30971759]

約数ペア:

[(1, 30971759), (7, 4424537), (13, 2382443), (31, 999089), (91, 340349), (217, 142727), (403, 76853), (2821, 10979)]