199873947

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43067}}^1$

素因数の和:43107

約数の個数: 32

約数和(自身を含む): 347300352

約数和(自身を除く): 147426405

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 43067, 129201, 301469, 559871, 732139, 904407, 1679613, 2196417, 3919097, 5124973, 9517807, 11757291, 15374919, 28553421, 66624649, 199873947]

約数ペア:

[(1, 199873947), (3, 66624649), (7, 28553421), (13, 15374919), (17, 11757291), (21, 9517807), (39, 5124973), (51, 3919097), (91, 2196417), (119, 1679613), (221, 904407), (273, 732139), (357, 559871), (663, 301469), (1547, 129201), (4641, 43067)]