206821509

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{3583}}^1$

素因数の和:3928

約数の個数: 16

約数和(自身を含む): 280756224

約数和(自身を除く): 73934715

約数列:

[1, 3, 71, 213, 271, 813, 3583, 10749, 19241, 57723, 254393, 763179, 970993, 2912979, 68940503, 206821509]

約数ペア:

[(1, 206821509), (3, 68940503), (71, 2912979), (213, 970993), (271, 763179), (813, 254393), (3583, 57723), (10749, 19241)]