207917415

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 380190720

約数和(自身を除く): 172273305

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 127, 135, 181, 201, 335, 381, 543, 603, 635, 905, 1005, 1143, 1629, 1809, 1905, 2715, 3015, 3429, 4887, 5715, 8145, 8509, 9045, 12127, 17145, 22987, 24435, 25527, 36381, 42545, 60635, 68961, 76581, 109143, 114935, 127635, 181905, 206883, 229743, 327429, 344805, 382905, 545715, 620649, 1034415, 1148715, 1540129, 1637145, 3103245, 4620387, 7700645, 13861161, 23101935, 41583483, 69305805, 207917415]

約数ペア:

[(1, 207917415), (3, 69305805), (5, 41583483), (9, 23101935), (15, 13861161), (27, 7700645), (45, 4620387), (67, 3103245), (127, 1637145), (135, 1540129), (181, 1148715), (201, 1034415), (335, 620649), (381, 545715), (543, 382905), (603, 344805), (635, 327429), (905, 229743), (1005, 206883), (1143, 181905), (1629, 127635), (1809, 114935), (1905, 109143), (2715, 76581), (3015, 68961), (3429, 60635), (4887, 42545), (5715, 36381), (8145, 25527), (8509, 24435), (9045, 22987), (12127, 17145)]