16979937

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 24823584

約数和(自身を除く): 7843647

約数列:

[1, 3, 13, 39, 107, 169, 313, 321, 507, 939, 1391, 4069, 4173, 12207, 18083, 33491, 52897, 54249, 100473, 158691, 435383, 1306149, 5659979, 16979937]

約数ペア:

[(1, 16979937), (3, 5659979), (13, 1306149), (39, 435383), (107, 158691), (169, 100473), (313, 54249), (321, 52897), (507, 33491), (939, 18083), (1391, 12207), (4069, 4173)]