2189883

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:498

約数の個数: 16

約数和(自身を含む): 3111680

約数和(自身を除く): 921797

約数列:

[1, 3, 19, 57, 103, 309, 373, 1119, 1957, 5871, 7087, 21261, 38419, 115257, 729961, 2189883]

約数ペア:

[(1, 2189883), (3, 729961), (19, 115257), (57, 38419), (103, 21261), (309, 7087), (373, 5871), (1119, 1957)]