30997551

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25639}}^1$

素因数の和:25686

約数の個数: 16

約数和(自身を含む): 45946880

約数和(自身を除く): 14949329

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 25639, 76917, 333307, 794809, 999921, 2384427, 10332517, 30997551]

約数ペア:

[(1, 30997551), (3, 10332517), (13, 2384427), (31, 999921), (39, 794809), (93, 333307), (403, 76917), (1209, 25639)]