27790427

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5431}}^1$

素因数の和:5498

約数の個数: 16

約数和(自身を含む): 34417152

約数和(自身を除く): 6626725

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 5431, 38017, 92327, 233533, 646289, 1634731, 3970061, 27790427]

約数ペア:

[(1, 27790427), (7, 3970061), (17, 1634731), (43, 646289), (119, 233533), (301, 92327), (731, 38017), (5117, 5431)]