81093987

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{499}}^1$

素因数の和:984

約数の個数: 32

約数和(自身を含む): 129920000

約数和(自身を除く): 48826013

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 463, 499, 1389, 1497, 4167, 4491, 6019, 6487, 12501, 13473, 18057, 19461, 54171, 58383, 162513, 175149, 231037, 693111, 2079333, 3003481, 6237999, 9010443, 27031329, 81093987]

約数ペア:

[(1, 81093987), (3, 27031329), (9, 9010443), (13, 6237999), (27, 3003481), (39, 2079333), (117, 693111), (351, 231037), (463, 175149), (499, 162513), (1389, 58383), (1497, 54171), (4167, 19461), (4491, 18057), (6019, 13473), (6487, 12501)]