208725153

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{457}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 350864640

約数和(自身を除く): 142139487

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 239, 273, 457, 637, 717, 1371, 1673, 1911, 3107, 3199, 5019, 5941, 9321, 9597, 11711, 17823, 21749, 22393, 35133, 41587, 65247, 67179, 109223, 124761, 152243, 291109, 327669, 456729, 764561, 873327, 1419899, 2293683, 4259697, 5351927, 9939293, 16055781, 29817879, 69575051, 208725153]

約数ペア:

[(1, 208725153), (3, 69575051), (7, 29817879), (13, 16055781), (21, 9939293), (39, 5351927), (49, 4259697), (91, 2293683), (147, 1419899), (239, 873327), (273, 764561), (457, 456729), (637, 327669), (717, 291109), (1371, 152243), (1673, 124761), (1911, 109223), (3107, 67179), (3199, 65247), (5019, 41587), (5941, 35133), (9321, 22393), (9597, 21749), (11711, 17823)]