205669269

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{21179}}^1$

素因数の和:21281

約数の個数: 24

約数和(自身を含む): 323799840

約数和(自身を除く): 118130571

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 747, 1079, 3237, 9711, 21179, 63537, 190611, 275327, 825981, 1757857, 2477943, 5273571, 15820713, 22852141, 68556423, 205669269]

約数ペア:

[(1, 205669269), (3, 68556423), (9, 22852141), (13, 15820713), (39, 5273571), (83, 2477943), (117, 1757857), (249, 825981), (747, 275327), (1079, 190611), (3237, 63537), (9711, 21179)]