20160219177

素因数分解:

$3^2\times 7^1\times {\mathrm{320003479}}^1$

素因数の和:320003492

約数の個数: 12

約数和(自身を含む): 33280361920

約数和(自身を除く): 13120142743

約数列:

[1, 3, 7, 9, 21, 63, 320003479, 960010437, 2240024353, 2880031311, 6720073059, 20160219177]

約数ペア:

[(1, 20160219177), (3, 6720073059), (7, 2880031311), (9, 2240024353), (21, 960010437), (63, 320003479)]