31187189

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 37144800

約数和(自身を除く): 5957611

約数列:

[1, 11, 19, 37, 109, 209, 407, 703, 1199, 1369, 2071, 4033, 7733, 15059, 22781, 26011, 44363, 76627, 149221, 286121, 842897, 1641431, 2835199, 31187189]

約数ペア:

[(1, 31187189), (11, 2835199), (19, 1641431), (37, 842897), (109, 286121), (209, 149221), (407, 76627), (703, 44363), (1199, 26011), (1369, 22781), (2071, 15059), (4033, 7733)]