27821955

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{37853}}^1$

素因数の和:37875

約数の個数: 24

約数和(自身を含む): 51784272

約数和(自身を除く): 23962317

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 37853, 113559, 189265, 264971, 567795, 794913, 1324855, 1854797, 3974565, 5564391, 9273985, 27821955]

約数ペア:

[(1, 27821955), (3, 9273985), (5, 5564391), (7, 3974565), (15, 1854797), (21, 1324855), (35, 794913), (49, 567795), (105, 264971), (147, 189265), (245, 113559), (735, 37853)]