317280159

素因数分解:

$3^4\times 7^1\times {\mathrm{559577}}^1$

素因数の和:559596

約数の個数: 20

約数和(自身を含む): 541671504

約数和(自身を除く): 224391345

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 559577, 1678731, 3917039, 5036193, 11751117, 15108579, 35253351, 45325737, 105760053, 317280159]

約数ペア:

[(1, 317280159), (3, 105760053), (7, 45325737), (9, 35253351), (21, 15108579), (27, 11751117), (63, 5036193), (81, 3917039), (189, 1678731), (567, 559577)]