64485519

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{4259}}^1$

素因数の和:4379

約数の個数: 24

約数和(自身を含む): 101013120

約数和(自身を除く): 36527601

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 2163, 4259, 5047, 12777, 15141, 29813, 89439, 208691, 438677, 626073, 1316031, 3070739, 9212217, 21495173, 64485519]

約数ペア:

[(1, 64485519), (3, 21495173), (7, 9212217), (21, 3070739), (49, 1316031), (103, 626073), (147, 438677), (309, 208691), (721, 89439), (2163, 29813), (4259, 15141), (5047, 12777)]