11985987

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{503}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 17708544

約数和(自身を除く): 5722557

約数列:

[1, 3, 13, 39, 47, 141, 169, 503, 507, 611, 1509, 1833, 6539, 7943, 19617, 23641, 23829, 70923, 85007, 255021, 307333, 921999, 3995329, 11985987]

約数ペア:

[(1, 11985987), (3, 3995329), (13, 921999), (39, 307333), (47, 255021), (141, 85007), (169, 70923), (503, 23829), (507, 23641), (611, 19617), (1509, 7943), (1833, 6539)]