1331663166

素因数分解:

$2^1\times 3^4\times {\mathrm{8220143}}^1$

素因数の和:8220157

約数の個数: 20

約数和(自身を含む): 2983912272

約数和(自身を除く): 1652249106

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 8220143, 16440286, 24660429, 49320858, 73981287, 147962574, 221943861, 443887722, 665831583, 1331663166]

約数ペア:

[(1, 1331663166), (2, 665831583), (3, 443887722), (6, 221943861), (9, 147962574), (18, 73981287), (27, 49320858), (54, 24660429), (81, 16440286), (162, 8220143)]