28271313

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{8467}}^1$

素因数の和:8533

約数の個数: 24

約数和(自身を含む): 47556288

約数和(自身を除く): 19284975

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 8467, 25401, 59269, 76203, 177807, 448751, 533421, 1346253, 3141257, 4038759, 9423771, 28271313]

約数ペア:

[(1, 28271313), (3, 9423771), (7, 4038759), (9, 3141257), (21, 1346253), (53, 533421), (63, 448751), (159, 177807), (371, 76203), (477, 59269), (1113, 25401), (3339, 8467)]