1297942317

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{664589}}^1$

素因数の和:664633

約数の個数: 24

約数和(自身を含む): 2211755520

約数和(自身を除く): 913813203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 664589, 1993767, 4652123, 5981301, 13956369, 20602259, 41869107, 61806777, 144215813, 185420331, 432647439, 1297942317]

約数ペア:

[(1, 1297942317), (3, 432647439), (7, 185420331), (9, 144215813), (21, 61806777), (31, 41869107), (63, 20602259), (93, 13956369), (217, 5981301), (279, 4652123), (651, 1993767), (1953, 664589)]