142052911

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 208022640

約数和(自身を除く): 65969729

約数列:

[1, 7, 11, 13, 19, 49, 77, 91, 97, 121, 133, 143, 209, 247, 539, 637, 679, 847, 931, 1001, 1067, 1261, 1463, 1573, 1729, 1843, 2299, 2717, 4753, 5929, 7007, 7469, 8827, 10241, 11011, 11737, 12103, 12901, 13871, 16093, 19019, 20273, 23959, 29887, 52283, 61789, 77077, 82159, 90307, 97097, 112651, 133133, 141911, 152581, 167713, 209209, 223003, 263549, 575113, 679679, 993377, 1068067, 1173991, 1464463, 1561021, 1844843, 2899039, 7476469, 10927147, 12913901, 20293273, 142052911]

約数ペア:

[(1, 142052911), (7, 20293273), (11, 12913901), (13, 10927147), (19, 7476469), (49, 2899039), (77, 1844843), (91, 1561021), (97, 1464463), (121, 1173991), (133, 1068067), (143, 993377), (209, 679679), (247, 575113), (539, 263549), (637, 223003), (679, 209209), (847, 167713), (931, 152581), (1001, 141911), (1067, 133133), (1261, 112651), (1463, 97097), (1573, 90307), (1729, 82159), (1843, 77077), (2299, 61789), (2717, 52283), (4753, 29887), (5929, 23959), (7007, 20273), (7469, 19019), (8827, 16093), (10241, 13871), (11011, 12901), (11737, 12103)]