203797321

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{691}}^1$

素因数の和:1181

約数の個数: 24

約数和(自身を含む): 256228224

約数和(自身を除く): 52430903

約数列:

[1, 7, 13, 49, 91, 463, 637, 691, 3241, 4837, 6019, 8983, 22687, 33859, 42133, 62881, 294931, 319933, 440167, 2239531, 4159129, 15676717, 29113903, 203797321]

約数ペア:

[(1, 203797321), (7, 29113903), (13, 15676717), (49, 4159129), (91, 2239531), (463, 440167), (637, 319933), (691, 294931), (3241, 62881), (4837, 42133), (6019, 33859), (8983, 22687)]