205505979

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{575647}}^1$

素因数の和:575674

約数の個数: 16

約数和(自身を含む): 331573248

約数和(自身を除く): 126067269

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 575647, 1726941, 4029529, 9785999, 12088587, 29357997, 68501993, 205505979]

約数ペア:

[(1, 205505979), (3, 68501993), (7, 29357997), (17, 12088587), (21, 9785999), (51, 4029529), (119, 1726941), (357, 575647)]