208047189

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1319}}^1$

素因数の和:1402

約数の個数: 48

約数和(自身を含む): 343094400

約数和(自身を除く): 135047211

約数列:

[1, 3, 7, 21, 29, 37, 49, 87, 111, 147, 203, 259, 609, 777, 1073, 1319, 1421, 1813, 3219, 3957, 4263, 5439, 7511, 9233, 22533, 27699, 38251, 48803, 52577, 64631, 114753, 146409, 157731, 193893, 267757, 341621, 803271, 1024863, 1415287, 1874299, 2391347, 4245861, 5622897, 7174041, 9907009, 29721027, 69349063, 208047189]

約数ペア:

[(1, 208047189), (3, 69349063), (7, 29721027), (21, 9907009), (29, 7174041), (37, 5622897), (49, 4245861), (87, 2391347), (111, 1874299), (147, 1415287), (203, 1024863), (259, 803271), (609, 341621), (777, 267757), (1073, 193893), (1319, 157731), (1421, 146409), (1813, 114753), (3219, 64631), (3957, 52577), (4263, 48803), (5439, 38251), (7511, 27699), (9233, 22533)]