1557050691

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{2801}}^1$

素因数の和:3171

約数の個数: 32

約数和(自身を含む): 2405864448

約数和(自身を除く): 848813757

約数列:

[1, 3, 7, 21, 103, 257, 309, 721, 771, 1799, 2163, 2801, 5397, 8403, 19607, 26471, 58821, 79413, 185297, 288503, 555891, 719857, 865509, 2019521, 2159571, 5038999, 6058563, 15116997, 74145271, 222435813, 519016897, 1557050691]

約数ペア:

[(1, 1557050691), (3, 519016897), (7, 222435813), (21, 74145271), (103, 15116997), (257, 6058563), (309, 5038999), (721, 2159571), (771, 2019521), (1799, 865509), (2163, 719857), (2801, 555891), (5397, 288503), (8403, 185297), (19607, 79413), (26471, 58821)]