1900403721

素因数分解:

$3^3\times {\mathrm{167}}^1\times {\mathrm{421469}}^1$

素因数の和:421645

約数の個数: 16

約数和(自身を含む): 2832278400

約数和(自身を除く): 931874679

約数列:

[1, 3, 9, 27, 167, 501, 1503, 4509, 421469, 1264407, 3793221, 11379663, 70385323, 211155969, 633467907, 1900403721]

約数ペア:

[(1, 1900403721), (3, 633467907), (9, 211155969), (27, 70385323), (167, 11379663), (501, 3793221), (1503, 1264407), (4509, 421469)]