289495881

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{11909}}^1$

素因数の和:12025

約数の個数: 24

約数和(自身を含む): 435381960

約数和(自身を除く): 145886079

約数列:

[1, 3, 9, 37, 73, 111, 219, 333, 657, 2701, 8103, 11909, 24309, 35727, 107181, 440633, 869357, 1321899, 2608071, 3965697, 7824213, 32166209, 96498627, 289495881]

約数ペア:

[(1, 289495881), (3, 96498627), (9, 32166209), (37, 7824213), (73, 3965697), (111, 2608071), (219, 1321899), (333, 869357), (657, 440633), (2701, 107181), (8103, 35727), (11909, 24309)]