1280521821

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{411611}}^1$

素因数の和:411692

約数の個数: 16

約数和(自身を含む): 1837435968

約数和(自身を除く): 556914147

約数列:

[1, 3, 17, 51, 61, 183, 1037, 3111, 411611, 1234833, 6997387, 20992161, 25108271, 75324813, 426840607, 1280521821]

約数ペア:

[(1, 1280521821), (3, 426840607), (17, 75324813), (51, 25108271), (61, 20992161), (183, 6997387), (1037, 1234833), (3111, 411611)]