204878679

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 295511040

約数和(自身を除く): 90632361

約数列:

[1, 3, 17, 51, 79, 211, 237, 241, 633, 723, 1343, 3587, 4029, 4097, 10761, 12291, 16669, 19039, 50007, 50851, 57117, 152553, 283373, 323663, 850119, 864467, 970989, 2593401, 4017229, 12051687, 68292893, 204878679]

約数ペア:

[(1, 204878679), (3, 68292893), (17, 12051687), (51, 4017229), (79, 2593401), (211, 970989), (237, 864467), (241, 850119), (633, 323663), (723, 283373), (1343, 152553), (3587, 57117), (4029, 50851), (4097, 50007), (10761, 19039), (12291, 16669)]