172769793

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{25471}}^1$

素因数の和:25517

約数の個数: 32

約数和(自身を含む): 293437440

約数和(自身を除く): 120667647

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 25471, 76413, 178297, 433007, 483949, 534891, 1299021, 1451847, 3031049, 3387643, 8227133, 9093147, 10162929, 24681399, 57589931, 172769793]

約数ペア:

[(1, 172769793), (3, 57589931), (7, 24681399), (17, 10162929), (19, 9093147), (21, 8227133), (51, 3387643), (57, 3031049), (119, 1451847), (133, 1299021), (323, 534891), (357, 483949), (399, 433007), (969, 178297), (2261, 76413), (6783, 25471)]