80170321

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2521}}^1$

素因数の和:2605

約数の個数: 24

約数和(自身を含む): 103502880

約数和(自身を除く): 23332559

約数列:

[1, 7, 11, 49, 59, 77, 413, 539, 649, 2521, 2891, 4543, 17647, 27731, 31801, 123529, 148739, 194117, 1041173, 1358819, 1636129, 7288211, 11452903, 80170321]

約数ペア:

[(1, 80170321), (7, 11452903), (11, 7288211), (49, 1636129), (59, 1358819), (77, 1041173), (413, 194117), (539, 148739), (649, 123529), (2521, 31801), (2891, 27731), (4543, 17647)]