1871913

素因数分解:

$3^1\times {\mathrm{67}}^2\times {\mathrm{139}}^1$

素因数の和:276

約数の個数: 12

約数和(自身を含む): 2551920

約数和(自身を除く): 680007

約数列:

[1, 3, 67, 139, 201, 417, 4489, 9313, 13467, 27939, 623971, 1871913]

約数ペア:

[(1, 1871913), (3, 623971), (67, 27939), (139, 13467), (201, 9313), (417, 4489)]