1221831

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^2$

素因数の和:140

約数の個数: 24

約数和(自身を含む): 1982960

約数和(自身を除く): 761129

約数列:

[1, 3, 9, 13, 27, 39, 59, 117, 177, 351, 531, 767, 1593, 2301, 3481, 6903, 10443, 20709, 31329, 45253, 93987, 135759, 407277, 1221831]

約数ペア:

[(1, 1221831), (3, 407277), (9, 135759), (13, 93987), (27, 45253), (39, 31329), (59, 20709), (117, 10443), (177, 6903), (351, 3481), (531, 2301), (767, 1593)]