27950559

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2381}}^1$

素因数の和:2447

約数の個数: 32

約数和(自身を含む): 46953984

約数和(自身を除く): 19003425

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 2381, 3913, 7143, 11739, 16667, 30953, 50001, 92859, 102383, 216671, 307149, 650013, 716681, 1330979, 2150043, 3992937, 9316853, 27950559]

約数ペア:

[(1, 27950559), (3, 9316853), (7, 3992937), (13, 2150043), (21, 1330979), (39, 716681), (43, 650013), (91, 307149), (129, 216671), (273, 102383), (301, 92859), (559, 50001), (903, 30953), (1677, 16667), (2381, 11739), (3913, 7143)]