663670221

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{5531}}^1$

素因数の和:5641

約数の個数: 32

約数和(自身を含む): 968675328

約数和(自身を除く): 305005107

約数列:

[1, 3, 23, 37, 47, 69, 111, 141, 851, 1081, 1739, 2553, 3243, 5217, 5531, 16593, 39997, 119991, 127213, 204647, 259957, 381639, 613941, 779871, 4706881, 5979011, 9618409, 14120643, 17937033, 28855227, 221223407, 663670221]

約数ペア:

[(1, 663670221), (3, 221223407), (23, 28855227), (37, 17937033), (47, 14120643), (69, 9618409), (111, 5979011), (141, 4706881), (851, 779871), (1081, 613941), (1739, 381639), (2553, 259957), (3243, 204647), (5217, 127213), (5531, 119991), (16593, 39997)]