947821485

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2087}}^1$

素因数の和:2262

約数の個数: 64

約数和(自身を含む): 1742694912

約数和(自身を除く): 794873427

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 137, 195, 221, 255, 411, 663, 685, 1105, 1781, 2055, 2087, 2329, 3315, 5343, 6261, 6987, 8905, 10435, 11645, 26715, 27131, 30277, 31305, 34935, 35479, 81393, 90831, 106437, 135655, 151385, 177395, 285919, 406965, 454155, 461227, 532185, 857757, 1383681, 1429595, 2306135, 3716947, 4288785, 4860623, 6918405, 11150841, 14581869, 18584735, 24303115, 55754205, 63188099, 72909345, 189564297, 315940495, 947821485]

約数ペア:

[(1, 947821485), (3, 315940495), (5, 189564297), (13, 72909345), (15, 63188099), (17, 55754205), (39, 24303115), (51, 18584735), (65, 14581869), (85, 11150841), (137, 6918405), (195, 4860623), (221, 4288785), (255, 3716947), (411, 2306135), (663, 1429595), (685, 1383681), (1105, 857757), (1781, 532185), (2055, 461227), (2087, 454155), (2329, 406965), (3315, 285919), (5343, 177395), (6261, 151385), (6987, 135655), (8905, 106437), (10435, 90831), (11645, 81393), (26715, 35479), (27131, 34935), (30277, 31305)]