1657318077

素因数分解:

$3^6\times {\mathrm{109}}^1\times {\mathrm{20857}}^1$

素因数の和:20984

約数の個数: 28

約数和(自身を含む): 2507757340

約数和(自身を除く): 850439263

約数列:

[1, 3, 9, 27, 81, 109, 243, 327, 729, 981, 2943, 8829, 20857, 26487, 62571, 79461, 187713, 563139, 1689417, 2273413, 5068251, 6820239, 15204753, 20460717, 61382151, 184146453, 552439359, 1657318077]

約数ペア:

[(1, 1657318077), (3, 552439359), (9, 184146453), (27, 61382151), (81, 20460717), (109, 15204753), (243, 6820239), (327, 5068251), (729, 2273413), (981, 1689417), (2943, 563139), (8829, 187713), (20857, 79461), (26487, 62571)]