399889737

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{1139287}}^1$

素因数の和:1139309

約数の個数: 16

約数和(自身を含む): 638001280

約数和(自身を除く): 238111543

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 1139287, 3417861, 10253583, 14810731, 30760749, 44432193, 133296579, 399889737]

約数ペア:

[(1, 399889737), (3, 133296579), (9, 44432193), (13, 30760749), (27, 14810731), (39, 10253583), (117, 3417861), (351, 1139287)]