66727661

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 93078720

約数和(自身を除く): 26351059

約数列:

[1, 7, 11, 13, 49, 77, 89, 91, 107, 143, 539, 623, 637, 749, 979, 1001, 1157, 1177, 1391, 4361, 5243, 6853, 7007, 8099, 8239, 9523, 9737, 12727, 15301, 47971, 56693, 57673, 66661, 68159, 89089, 104753, 107107, 123799, 466627, 623623, 733271, 749749, 866593, 1361789, 5132897, 6066151, 9532523, 66727661]

約数ペア:

[(1, 66727661), (7, 9532523), (11, 6066151), (13, 5132897), (49, 1361789), (77, 866593), (89, 749749), (91, 733271), (107, 623623), (143, 466627), (539, 123799), (623, 107107), (637, 104753), (749, 89089), (979, 68159), (1001, 66661), (1157, 57673), (1177, 56693), (1391, 47971), (4361, 15301), (5243, 12727), (6853, 9737), (7007, 9523), (8099, 8239)]