66889921

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{3023}}^1$

素因数の和:3168

約数の個数: 16

約数和(自身を含む): 79833600

約数和(自身を除く): 12943679

約数列:

[1, 7, 29, 109, 203, 763, 3023, 3161, 21161, 22127, 87667, 329507, 613669, 2306549, 9555703, 66889921]

約数ペア:

[(1, 66889921), (7, 9555703), (29, 2306549), (109, 613669), (203, 329507), (763, 87667), (3023, 22127), (3161, 21161)]