247486629

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{8681}}^1$

素因数の和:8757

約数の個数: 32

約数和(自身を含む): 385064064

約数和(自身を除く): 137577435

約数列:

[1, 3, 13, 17, 39, 43, 51, 129, 221, 559, 663, 731, 1677, 2193, 8681, 9503, 26043, 28509, 112853, 147577, 338559, 373283, 442731, 1119849, 1918501, 4852679, 5755503, 6345811, 14558037, 19037433, 82495543, 247486629]

約数ペア:

[(1, 247486629), (3, 82495543), (13, 19037433), (17, 14558037), (39, 6345811), (43, 5755503), (51, 4852679), (129, 1918501), (221, 1119849), (559, 442731), (663, 373283), (731, 338559), (1677, 147577), (2193, 112853), (8681, 28509), (9503, 26043)]