256056289371

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{499135067}}^1$

素因数の和:499135095

約数の個数: 16

約数和(自身を含む): 399308054400

約数和(自身を除く): 143251765029

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 499135067, 1497405201, 4492215603, 9483566273, 13476646809, 28450698819, 85352096457, 256056289371]

約数ペア:

[(1, 256056289371), (3, 85352096457), (9, 28450698819), (19, 13476646809), (27, 9483566273), (57, 4492215603), (171, 1497405201), (513, 499135067)]