209569395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{18311}}^1$

素因数の和:18435

約数の個数: 32

約数和(自身を含む): 386749440

約数和(自身を除く): 177180045

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 109, 327, 545, 763, 1635, 2289, 3815, 11445, 18311, 54933, 91555, 128177, 274665, 384531, 640885, 1922655, 1995899, 5987697, 9979495, 13971293, 29938485, 41913879, 69856465, 209569395]

約数ペア:

[(1, 209569395), (3, 69856465), (5, 41913879), (7, 29938485), (15, 13971293), (21, 9979495), (35, 5987697), (105, 1995899), (109, 1922655), (327, 640885), (545, 384531), (763, 274665), (1635, 128177), (2289, 91555), (3815, 54933), (11445, 18311)]