208812963

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 296755200

約数和(自身を除く): 87942237

約数列:

[1, 3, 29, 47, 87, 141, 223, 229, 669, 687, 1363, 4089, 6467, 6641, 10481, 10763, 19401, 19923, 31443, 32289, 51067, 153201, 303949, 312127, 911847, 936381, 1480943, 2400149, 4442829, 7200447, 69604321, 208812963]

約数ペア:

[(1, 208812963), (3, 69604321), (29, 7200447), (47, 4442829), (87, 2400149), (141, 1480943), (223, 936381), (229, 911847), (669, 312127), (687, 303949), (1363, 153201), (4089, 51067), (6467, 32289), (6641, 31443), (10481, 19923), (10763, 19401)]