70277781

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 110387200

約数和(自身を除く): 40109419

約数列:

[1, 3, 7, 21, 43, 129, 223, 301, 349, 669, 903, 1047, 1561, 2443, 4683, 7329, 9589, 15007, 28767, 45021, 67123, 77827, 105049, 201369, 233481, 315147, 544789, 1634367, 3346561, 10039683, 23425927, 70277781]

約数ペア:

[(1, 70277781), (3, 23425927), (7, 10039683), (21, 3346561), (43, 1634367), (129, 544789), (223, 315147), (301, 233481), (349, 201369), (669, 105049), (903, 77827), (1047, 67123), (1561, 45021), (2443, 28767), (4683, 15007), (7329, 9589)]