225664887

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1\times {\mathrm{809}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 354585600

約数和(自身を除く): 128920713

約数列:

[1, 3, 7, 21, 37, 111, 259, 359, 777, 809, 1077, 2427, 2513, 5663, 7539, 13283, 16989, 29933, 39849, 89799, 92981, 209531, 278943, 290431, 628593, 871293, 2033017, 6099051, 10745947, 32237841, 75221629, 225664887]

約数ペア:

[(1, 225664887), (3, 75221629), (7, 32237841), (21, 10745947), (37, 6099051), (111, 2033017), (259, 871293), (359, 628593), (777, 290431), (809, 278943), (1077, 209531), (2427, 92981), (2513, 89799), (5663, 39849), (7539, 29933), (13283, 16989)]