7121317

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 8963136

約数和(自身を除く): 1841819

約数列:

[1, 7, 17, 49, 83, 103, 119, 581, 721, 833, 1411, 1751, 4067, 5047, 8549, 9877, 12257, 59843, 69139, 85799, 145333, 418901, 1017331, 7121317]

約数ペア:

[(1, 7121317), (7, 1017331), (17, 418901), (49, 145333), (83, 85799), (103, 69139), (119, 59843), (581, 12257), (721, 9877), (833, 8549), (1411, 5047), (1751, 4067)]