28006671

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3911}}^1$

素因数の和:3963

約数の個数: 32

約数和(自身を含む): 48070656

約数和(自身を除く): 20063985

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 3911, 7161, 11733, 27377, 43021, 82131, 121241, 129063, 301147, 363723, 848687, 903441, 1333651, 2546061, 4000953, 9335557, 28006671]

約数ペア:

[(1, 28006671), (3, 9335557), (7, 4000953), (11, 2546061), (21, 1333651), (31, 903441), (33, 848687), (77, 363723), (93, 301147), (217, 129063), (231, 121241), (341, 82131), (651, 43021), (1023, 27377), (2387, 11733), (3911, 7161)]