123842019

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1471}}^1$

素因数の和:1711

約数の個数: 32

約数和(自身を含む): 199720960

約数和(自身を除く): 75878941

約数列:

[1, 3, 7, 19, 21, 57, 133, 211, 399, 633, 1471, 1477, 4009, 4413, 4431, 10297, 12027, 27949, 28063, 30891, 83847, 84189, 195643, 310381, 586929, 931143, 2172667, 5897239, 6518001, 17691717, 41280673, 123842019]

約数ペア:

[(1, 123842019), (3, 41280673), (7, 17691717), (19, 6518001), (21, 5897239), (57, 2172667), (133, 931143), (211, 586929), (399, 310381), (633, 195643), (1471, 84189), (1477, 83847), (4009, 30891), (4413, 28063), (4431, 27949), (10297, 12027)]