258708573

素因数分解:

$3^4\times {\mathrm{547}}^1\times {\mathrm{5839}}^1$

素因数の和:6398

約数の個数: 20

約数和(自身を含む): 387238720

約数和(自身を除く): 128530147

約数列:

[1, 3, 9, 27, 81, 547, 1641, 4923, 5839, 14769, 17517, 44307, 52551, 157653, 472959, 3193933, 9581799, 28745397, 86236191, 258708573]

約数ペア:

[(1, 258708573), (3, 86236191), (9, 28745397), (27, 9581799), (81, 3193933), (547, 472959), (1641, 157653), (4923, 52551), (5839, 44307), (14769, 17517)]