260711997

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{601}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 438121152

約数和(自身を除く): 177409155

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 227, 273, 601, 637, 681, 1589, 1803, 1911, 2951, 4207, 4767, 7813, 8853, 11123, 12621, 20657, 23439, 29449, 33369, 54691, 61971, 88347, 136427, 144599, 164073, 382837, 409281, 433797, 954989, 1148511, 1773551, 2864967, 5320653, 6684923, 12414857, 20054769, 37244571, 86903999, 260711997]

約数ペア:

[(1, 260711997), (3, 86903999), (7, 37244571), (13, 20054769), (21, 12414857), (39, 6684923), (49, 5320653), (91, 2864967), (147, 1773551), (227, 1148511), (273, 954989), (601, 433797), (637, 409281), (681, 382837), (1589, 164073), (1803, 144599), (1911, 136427), (2951, 88347), (4207, 61971), (4767, 54691), (7813, 33369), (8853, 29449), (11123, 23439), (12621, 20657)]