1520222013

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{53777}}^1$

素因数の和:54138

約数の個数: 20

約数和(自身を含む): 2277498300

約数和(自身を除く): 757276287

約数列:

[1, 3, 9, 27, 81, 349, 1047, 3141, 9423, 28269, 53777, 161331, 483993, 1451979, 4355937, 18768173, 56304519, 168913557, 506740671, 1520222013]

約数ペア:

[(1, 1520222013), (3, 506740671), (9, 168913557), (27, 56304519), (81, 18768173), (349, 4355937), (1047, 1451979), (3141, 483993), (9423, 161331), (28269, 53777)]