201815211

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7079}}^1$

素因数の和:7155

約数の個数: 32

約数和(自身を含む): 314012160

約数和(自身を除く): 112196949

約数列:

[1, 3, 13, 17, 39, 43, 51, 129, 221, 559, 663, 731, 1677, 2193, 7079, 9503, 21237, 28509, 92027, 120343, 276081, 304397, 361029, 913191, 1564459, 3957161, 4693377, 5174749, 11871483, 15524247, 67271737, 201815211]

約数ペア:

[(1, 201815211), (3, 67271737), (13, 15524247), (17, 11871483), (39, 5174749), (43, 4693377), (51, 3957161), (129, 1564459), (221, 913191), (559, 361029), (663, 304397), (731, 276081), (1677, 120343), (2193, 92027), (7079, 28509), (9503, 21237)]