291279861

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{3137}}^1$

素因数の和:3346

約数の個数: 32

約数和(自身を含む): 456892800

約数和(自身を除く): 165612939

約数列:

[1, 3, 9, 19, 27, 57, 171, 181, 513, 543, 1629, 3137, 3439, 4887, 9411, 10317, 28233, 30951, 59603, 84699, 92853, 178809, 536427, 567797, 1609281, 1703391, 5110173, 10788143, 15330519, 32364429, 97093287, 291279861]

約数ペア:

[(1, 291279861), (3, 97093287), (9, 32364429), (19, 15330519), (27, 10788143), (57, 5110173), (171, 1703391), (181, 1609281), (513, 567797), (543, 536427), (1629, 178809), (3137, 92853), (3439, 84699), (4887, 59603), (9411, 30951), (10317, 28233)]