201586719

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 282009600

約数和(自身を除く): 80422881

約数列:

[1, 3, 53, 67, 127, 149, 159, 201, 381, 447, 3551, 6731, 7897, 8509, 9983, 10653, 18923, 20193, 23691, 25527, 29949, 56769, 450977, 529099, 1002919, 1267841, 1352931, 1587297, 3008757, 3803523, 67195573, 201586719]

約数ペア:

[(1, 201586719), (3, 67195573), (53, 3803523), (67, 3008757), (127, 1587297), (149, 1352931), (159, 1267841), (201, 1002919), (381, 529099), (447, 450977), (3551, 56769), (6731, 29949), (7897, 25527), (8509, 23691), (9983, 20193), (10653, 18923)]