208519599

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 297158400

約数和(自身を除く): 88638801

約数列:

[1, 3, 29, 43, 87, 129, 139, 401, 417, 1203, 1247, 3741, 4031, 5977, 11629, 12093, 17243, 17931, 34887, 51729, 55739, 167217, 173333, 500047, 519999, 1500141, 1616431, 2396777, 4849293, 7190331, 69506533, 208519599]

約数ペア:

[(1, 208519599), (3, 69506533), (29, 7190331), (43, 4849293), (87, 2396777), (129, 1616431), (139, 1500141), (401, 519999), (417, 500047), (1203, 173333), (1247, 167217), (3741, 55739), (4031, 51729), (5977, 34887), (11629, 17931), (12093, 17243)]