123125475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8779}}^1$

素因数の和:8820

約数の個数: 48

約数和(自身を含む): 235163520

約数和(自身を除く): 112038045

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 425, 561, 825, 935, 1275, 2805, 4675, 8779, 14025, 26337, 43895, 96569, 131685, 149243, 219475, 289707, 447729, 482845, 658425, 746215, 1448535, 1641673, 2238645, 2414225, 3731075, 4925019, 7242675, 8208365, 11193225, 24625095, 41041825, 123125475]

約数ペア:

[(1, 123125475), (3, 41041825), (5, 24625095), (11, 11193225), (15, 8208365), (17, 7242675), (25, 4925019), (33, 3731075), (51, 2414225), (55, 2238645), (75, 1641673), (85, 1448535), (165, 746215), (187, 658425), (255, 482845), (275, 447729), (425, 289707), (561, 219475), (825, 149243), (935, 131685), (1275, 96569), (2805, 43895), (4675, 26337), (8779, 14025)]