1880577

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 2882880

約数和(自身を除く): 1002303

約数列:

[1, 3, 9, 27, 71, 81, 109, 213, 243, 327, 639, 981, 1917, 2943, 5751, 7739, 8829, 17253, 23217, 26487, 69651, 208953, 626859, 1880577]

約数ペア:

[(1, 1880577), (3, 626859), (9, 208953), (27, 69651), (71, 26487), (81, 23217), (109, 17253), (213, 8829), (243, 7739), (327, 5751), (639, 2943), (981, 1917)]