31009979

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2383}}^1$

素因数の和:2427

約数の個数: 24

約数和(自身を含む): 41882112

約数和(自身を除く): 10872133

約数列:

[1, 7, 11, 13, 77, 91, 143, 169, 1001, 1183, 1859, 2383, 13013, 16681, 26213, 30979, 183491, 216853, 340769, 402727, 2385383, 2819089, 4429997, 31009979]

約数ペア:

[(1, 31009979), (7, 4429997), (11, 2819089), (13, 2385383), (77, 402727), (91, 340769), (143, 216853), (169, 183491), (1001, 30979), (1183, 26213), (1859, 16681), (2383, 13013)]