147854903

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 192614400

約数和(自身を除く): 44759497

約数列:

[1, 7, 19, 31, 47, 49, 109, 133, 217, 329, 589, 763, 893, 931, 1457, 1519, 2071, 2303, 3379, 4123, 5123, 5341, 6251, 10199, 14497, 23653, 27683, 28861, 35861, 43757, 64201, 71393, 97337, 101479, 158813, 165571, 193781, 251027, 449407, 681359, 1111691, 1356467, 3017447, 3145849, 4769513, 7781837, 21122129, 147854903]

約数ペア:

[(1, 147854903), (7, 21122129), (19, 7781837), (31, 4769513), (47, 3145849), (49, 3017447), (109, 1356467), (133, 1111691), (217, 681359), (329, 449407), (589, 251027), (763, 193781), (893, 165571), (931, 158813), (1457, 101479), (1519, 97337), (2071, 71393), (2303, 64201), (3379, 43757), (4123, 35861), (5123, 28861), (5341, 27683), (6251, 23653), (10199, 14497)]