221256219

素因数分解:

$3^1\times {\mathrm{227}}^1\times {\mathrm{569}}^1\times {\mathrm{571}}^1$

素因数の和:1370

約数の個数: 16

約数和(自身を含む): 297348480

約数和(自身を除く): 76092261

約数列:

[1, 3, 227, 569, 571, 681, 1707, 1713, 129163, 129617, 324899, 387489, 388851, 974697, 73752073, 221256219]

約数ペア:

[(1, 221256219), (3, 73752073), (227, 974697), (569, 388851), (571, 387489), (681, 324899), (1707, 129617), (1713, 129163)]