311399478

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{147863}}^1$

素因数の和:147890

約数の個数: 40

約数和(自身を含む): 751444848

約数和(自身を除く): 440045370

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 147863, 295726, 443589, 887178, 1330767, 1922219, 2661534, 3844438, 3992301, 5766657, 7984602, 11533314, 11976903, 17299971, 23953806, 34599942, 51899913, 103799826, 155699739, 311399478]

約数ペア:

[(1, 311399478), (2, 155699739), (3, 103799826), (6, 51899913), (9, 34599942), (13, 23953806), (18, 17299971), (26, 11976903), (27, 11533314), (39, 7984602), (54, 5766657), (78, 3992301), (81, 3844438), (117, 2661534), (162, 1922219), (234, 1330767), (351, 887178), (702, 443589), (1053, 295726), (2106, 147863)]