1274235

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 2280960

約数和(自身を除く): 1006725

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 263, 285, 323, 789, 969, 1315, 1615, 3945, 4471, 4845, 4997, 13413, 14991, 22355, 24985, 67065, 74955, 84949, 254847, 424745, 1274235]

約数ペア:

[(1, 1274235), (3, 424745), (5, 254847), (15, 84949), (17, 74955), (19, 67065), (51, 24985), (57, 22355), (85, 14991), (95, 13413), (255, 4997), (263, 4845), (285, 4471), (323, 3945), (789, 1615), (969, 1315)]