17971449

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{607}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 24514560

約数和(自身を除く): 6543111

約数列:

[1, 3, 71, 139, 213, 417, 607, 1821, 9869, 29607, 43097, 84373, 129291, 253119, 5990483, 17971449]

約数ペア:

[(1, 17971449), (3, 5990483), (71, 253119), (139, 129291), (213, 84373), (417, 43097), (607, 29607), (1821, 9869)]