16750881

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1003

約数の個数: 40

約数和(自身を含む): 29551104

約数和(自身を除く): 12800223

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 953, 1953, 2511, 2859, 5859, 6671, 8577, 17577, 20013, 25731, 29543, 60039, 77193, 88629, 180117, 206801, 265887, 540351, 620403, 797661, 1861209, 2392983, 5583627, 16750881]

約数ペア:

[(1, 16750881), (3, 5583627), (7, 2392983), (9, 1861209), (21, 797661), (27, 620403), (31, 540351), (63, 265887), (81, 206801), (93, 180117), (189, 88629), (217, 77193), (279, 60039), (567, 29543), (651, 25731), (837, 20013), (953, 17577), (1953, 8577), (2511, 6671), (2859, 5859)]