213179615

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 285023232

約数和(自身を除く): 71843617

約数列:

[1, 5, 11, 55, 103, 121, 311, 515, 605, 1133, 1331, 1555, 3421, 5665, 6655, 12463, 17105, 32033, 37631, 62315, 137093, 160165, 188155, 352363, 413941, 685465, 1761815, 2069705, 3875993, 19379965, 42635923, 213179615]

約数ペア:

[(1, 213179615), (5, 42635923), (11, 19379965), (55, 3875993), (103, 2069705), (121, 1761815), (311, 685465), (515, 413941), (605, 352363), (1133, 188155), (1331, 160165), (1555, 137093), (3421, 62315), (5665, 37631), (6655, 32033), (12463, 17105)]