128515149

素因数分解:

$3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{4733}}^1$

素因数の和:5177

約数の個数: 24

約数和(自身を含む): 212689152

約数和(自身を除く): 84174003

約数列:

[1, 3, 7, 9, 21, 63, 431, 1293, 3017, 3879, 4733, 9051, 14199, 27153, 33131, 42597, 99393, 298179, 2039923, 6119769, 14279461, 18359307, 42838383, 128515149]

約数ペア:

[(1, 128515149), (3, 42838383), (7, 18359307), (9, 14279461), (21, 6119769), (63, 2039923), (431, 298179), (1293, 99393), (3017, 42597), (3879, 33131), (4733, 27153), (9051, 14199)]