2187885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 4073472

約数和(自身を除く): 1885587

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 105, 201, 311, 335, 469, 933, 1005, 1407, 1555, 2177, 2345, 4665, 6531, 7035, 10885, 20837, 32655, 62511, 104185, 145859, 312555, 437577, 729295, 2187885]

約数ペア:

[(1, 2187885), (3, 729295), (5, 437577), (7, 312555), (15, 145859), (21, 104185), (35, 62511), (67, 32655), (105, 20837), (201, 10885), (311, 7035), (335, 6531), (469, 4665), (933, 2345), (1005, 2177), (1407, 1555)]