1999157901

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{241}}^1\times {\mathrm{937}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 2898284928

約数和(自身を除く): 899127027

約数列:

[1, 3, 13, 39, 227, 241, 681, 723, 937, 2811, 2951, 3133, 8853, 9399, 12181, 36543, 54707, 164121, 212699, 225817, 638097, 677451, 711191, 2133573, 2765087, 2935621, 8295261, 8806863, 51260459, 153781377, 666385967, 1999157901]

約数ペア:

[(1, 1999157901), (3, 666385967), (13, 153781377), (39, 51260459), (227, 8806863), (241, 8295261), (681, 2935621), (723, 2765087), (937, 2133573), (2811, 711191), (2951, 677451), (3133, 638097), (8853, 225817), (9399, 212699), (12181, 164121), (36543, 54707)]