209550255

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{881}}^1$

素因数の和:1147

約数の個数: 32

約数和(自身を含む): 341143488

約数和(自身を除く): 131593233

約数列:

[1, 3, 5, 15, 101, 157, 303, 471, 505, 785, 881, 1515, 2355, 2643, 4405, 13215, 15857, 47571, 79285, 88981, 138317, 237855, 266943, 414951, 444905, 691585, 1334715, 2074755, 13970017, 41910051, 69850085, 209550255]

約数ペア:

[(1, 209550255), (3, 69850085), (5, 41910051), (15, 13970017), (101, 2074755), (157, 1334715), (303, 691585), (471, 444905), (505, 414951), (785, 266943), (881, 237855), (1515, 138317), (2355, 88981), (2643, 79285), (4405, 47571), (13215, 15857)]