320152395

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{4099}}^1$

素因数の和:4275

約数の個数: 32

約数和(自身を含む): 528998400

約数和(自身を除く): 208846005

約数列:

[1, 3, 5, 15, 41, 123, 127, 205, 381, 615, 635, 1905, 4099, 5207, 12297, 15621, 20495, 26035, 61485, 78105, 168059, 504177, 520573, 840295, 1561719, 2520885, 2602865, 7808595, 21343493, 64030479, 106717465, 320152395]

約数ペア:

[(1, 320152395), (3, 106717465), (5, 64030479), (15, 21343493), (41, 7808595), (123, 2602865), (127, 2520885), (205, 1561719), (381, 840295), (615, 520573), (635, 504177), (1905, 168059), (4099, 78105), (5207, 61485), (12297, 26035), (15621, 20495)]