28438683

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1427}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 47341056

約数和(自身を除く): 18902373

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 511, 949, 1427, 1533, 2847, 4281, 6643, 9989, 18551, 19929, 29967, 55653, 104171, 129857, 312513, 389571, 729197, 1354223, 2187591, 4062669, 9479561, 28438683]

約数ペア:

[(1, 28438683), (3, 9479561), (7, 4062669), (13, 2187591), (21, 1354223), (39, 729197), (73, 389571), (91, 312513), (219, 129857), (273, 104171), (511, 55653), (949, 29967), (1427, 19929), (1533, 18551), (2847, 9989), (4281, 6643)]