64277171

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{1409}}^1$

素因数の和:1456

約数の個数: 20

約数和(自身を含む): 78988200

約数和(自身を除く): 14711029

約数列:

[1, 7, 19, 49, 133, 343, 931, 1409, 2401, 6517, 9863, 26771, 45619, 69041, 187397, 483287, 1311779, 3383009, 9182453, 64277171]

約数ペア:

[(1, 64277171), (7, 9182453), (19, 3383009), (49, 1311779), (133, 483287), (343, 187397), (931, 69041), (1409, 45619), (2401, 26771), (6517, 9863)]