28305016281

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{337121}}^1$

素因数の和:337637

約数の個数: 24

約数和(自身を含む): 43124646240

約数和(自身を除く): 14819629959

約数列:

[1, 3, 9, 19, 57, 171, 491, 1473, 4419, 9329, 27987, 83961, 337121, 1011363, 3034089, 6405299, 19215897, 57647691, 165526411, 496579233, 1489737699, 3145001809, 9435005427, 28305016281]

約数ペア:

[(1, 28305016281), (3, 9435005427), (9, 3145001809), (19, 1489737699), (57, 496579233), (171, 165526411), (491, 57647691), (1473, 19215897), (4419, 6405299), (9329, 3034089), (27987, 1011363), (83961, 337121)]