1320211215

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{437881}}^1$

素因数の和:437959

約数の個数: 24

約数和(自身を含む): 2322526128

約数和(自身を除く): 1002314913

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 437881, 1313643, 2189405, 3940929, 6568215, 19704645, 29338027, 88014081, 146690135, 264042243, 440070405, 1320211215]

約数ペア:

[(1, 1320211215), (3, 440070405), (5, 264042243), (9, 146690135), (15, 88014081), (45, 29338027), (67, 19704645), (201, 6568215), (335, 3940929), (603, 2189405), (1005, 1313643), (3015, 437881)]