2178627

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{617}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 3203712

約数和(自身を除く): 1025085

約数列:

[1, 3, 11, 33, 107, 321, 617, 1177, 1851, 3531, 6787, 20361, 66019, 198057, 726209, 2178627]

約数ペア:

[(1, 2178627), (3, 726209), (11, 198057), (33, 66019), (107, 20361), (321, 6787), (617, 3531), (1177, 1851)]