16209837

素因数分解:

$3^2\times 7^3\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 28080000

約数和(自身を除く): 11870163

約数列:

[1, 3, 7, 9, 21, 49, 59, 63, 89, 147, 177, 267, 343, 413, 441, 531, 623, 801, 1029, 1239, 1869, 2891, 3087, 3717, 4361, 5251, 5607, 8673, 13083, 15753, 20237, 26019, 30527, 36757, 39249, 47259, 60711, 91581, 110271, 182133, 257299, 274743, 330813, 771897, 1801093, 2315691, 5403279, 16209837]

約数ペア:

[(1, 16209837), (3, 5403279), (7, 2315691), (9, 1801093), (21, 771897), (49, 330813), (59, 274743), (63, 257299), (89, 182133), (147, 110271), (177, 91581), (267, 60711), (343, 47259), (413, 39249), (441, 36757), (531, 30527), (623, 26019), (801, 20237), (1029, 15753), (1239, 13083), (1869, 8673), (2891, 5607), (3087, 5251), (3717, 4361)]