71806707

素因数分解:

$3^2\times 7^4\times {\mathrm{3323}}^1$

素因数の和:3357

約数の個数: 30

約数和(自身を含む): 121036812

約数和(自身を除く): 49230105

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 2401, 3087, 3323, 7203, 9969, 21609, 23261, 29907, 69783, 162827, 209349, 488481, 1139789, 1465443, 3419367, 7978523, 10258101, 23935569, 71806707]

約数ペア:

[(1, 71806707), (3, 23935569), (7, 10258101), (9, 7978523), (21, 3419367), (49, 1465443), (63, 1139789), (147, 488481), (343, 209349), (441, 162827), (1029, 69783), (2401, 29907), (3087, 23261), (3323, 21609), (7203, 9969)]