16782201

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 25937280

約数和(自身を除く): 9155079

約数列:

[1, 3, 9, 27, 37, 107, 111, 157, 321, 333, 471, 963, 999, 1413, 2889, 3959, 4239, 5809, 11877, 16799, 17427, 35631, 50397, 52281, 106893, 151191, 156843, 453573, 621563, 1864689, 5594067, 16782201]

約数ペア:

[(1, 16782201), (3, 5594067), (9, 1864689), (27, 621563), (37, 453573), (107, 156843), (111, 151191), (157, 106893), (321, 52281), (333, 50397), (471, 35631), (963, 17427), (999, 16799), (1413, 11877), (2889, 5809), (3959, 4239)]