397996911

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{499}}^1$

素因数の和:936

約数の個数: 48

約数和(自身を含む): 658476000

約数和(自身を除く): 260479089

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 401, 499, 663, 1203, 1497, 1989, 3609, 4491, 5213, 6487, 6817, 8483, 15639, 19461, 20451, 25449, 46917, 58383, 61353, 76347, 88621, 110279, 200099, 265863, 330837, 600297, 797589, 992511, 1800891, 2601287, 3401683, 7803861, 10205049, 23411583, 30615147, 44221879, 132665637, 397996911]

約数ペア:

[(1, 397996911), (3, 132665637), (9, 44221879), (13, 30615147), (17, 23411583), (39, 10205049), (51, 7803861), (117, 3401683), (153, 2601287), (221, 1800891), (401, 992511), (499, 797589), (663, 600297), (1203, 330837), (1497, 265863), (1989, 200099), (3609, 110279), (4491, 88621), (5213, 76347), (6487, 61353), (6817, 58383), (8483, 46917), (15639, 25449), (19461, 20451)]