15905279

素因数分解:

${\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:394

約数の個数: 16

約数和(自身を含む): 17690400

約数和(自身を除く): 1785121

約数列:

[1, 13, 59, 89, 233, 767, 1157, 3029, 5251, 13747, 20737, 68263, 178711, 269581, 1223483, 15905279]

約数ペア:

[(1, 15905279), (13, 1223483), (59, 269581), (89, 178711), (233, 68263), (767, 20737), (1157, 13747), (3029, 5251)]