16539957

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{941}}^1$

素因数の和:991

約数の個数: 40

約数和(自身を含む): 29179392

約数和(自身を除く): 12639435

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 941, 1953, 2511, 2823, 5859, 6587, 8469, 17577, 19761, 25407, 29171, 59283, 76221, 87513, 177849, 204197, 262539, 533547, 612591, 787617, 1837773, 2362851, 5513319, 16539957]

約数ペア:

[(1, 16539957), (3, 5513319), (7, 2362851), (9, 1837773), (21, 787617), (27, 612591), (31, 533547), (63, 262539), (81, 204197), (93, 177849), (189, 87513), (217, 76221), (279, 59283), (567, 29171), (651, 25407), (837, 19761), (941, 17577), (1953, 8469), (2511, 6587), (2823, 5859)]