89781765

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1321}}^1$

素因数の和:1549

約数の個数: 32

約数和(自身を含む): 150771456

約数和(自身を除く): 60989691

約数列:

[1, 3, 5, 15, 23, 69, 115, 197, 345, 591, 985, 1321, 2955, 3963, 4531, 6605, 13593, 19815, 22655, 30383, 67965, 91149, 151915, 260237, 455745, 780711, 1301185, 3903555, 5985451, 17956353, 29927255, 89781765]

約数ペア:

[(1, 89781765), (3, 29927255), (5, 17956353), (15, 5985451), (23, 3903555), (69, 1301185), (115, 780711), (197, 455745), (345, 260237), (591, 151915), (985, 91149), (1321, 67965), (2955, 30383), (3963, 22655), (4531, 19815), (6605, 13593)]