208753881

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1\times {\mathrm{523}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 323957760

約数和(自身を除く): 115203879

約数列:

[1, 3, 7, 21, 83, 229, 249, 523, 581, 687, 1569, 1603, 1743, 3661, 4809, 10983, 19007, 43409, 57021, 119767, 130227, 133049, 303863, 359301, 399147, 838369, 911589, 2515107, 9940661, 29821983, 69584627, 208753881]

約数ペア:

[(1, 208753881), (3, 69584627), (7, 29821983), (21, 9940661), (83, 2515107), (229, 911589), (249, 838369), (523, 399147), (581, 359301), (687, 303863), (1569, 133049), (1603, 130227), (1743, 119767), (3661, 57021), (4809, 43409), (10983, 19007)]