261684306

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1118309}}^1$

素因数の和:1118330

約数の個数: 24

約数和(自身を含む): 610597260

約数和(自身を除く): 348912954

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 1118309, 2236618, 3354927, 6709854, 10064781, 14538017, 20129562, 29076034, 43614051, 87228102, 130842153, 261684306]

約数ペア:

[(1, 261684306), (2, 130842153), (3, 87228102), (6, 43614051), (9, 29076034), (13, 20129562), (18, 14538017), (26, 10064781), (39, 6709854), (78, 3354927), (117, 2236618), (234, 1118309)]