215525739

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{2381}}^1$

素因数の和:2619

約数の個数: 32

約数和(自身を含む): 339349248

約数和(自身を除く): 123823509

約数列:

[1, 3, 11, 13, 33, 39, 143, 211, 429, 633, 2321, 2381, 2743, 6963, 7143, 8229, 26191, 30173, 30953, 78573, 90519, 92859, 340483, 502391, 1021449, 1507173, 5526301, 6531083, 16578903, 19593249, 71841913, 215525739]

約数ペア:

[(1, 215525739), (3, 71841913), (11, 19593249), (13, 16578903), (33, 6531083), (39, 5526301), (143, 1507173), (211, 1021449), (429, 502391), (633, 340483), (2321, 92859), (2381, 90519), (2743, 78573), (6963, 30953), (7143, 30173), (8229, 26191)]