1690221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2281}}^1$

素因数の和:2316

約数の個数: 16

約数和(自身を含む): 2555840

約数和(自身を除く): 865619

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 2281, 6843, 29653, 43339, 88959, 130017, 563407, 1690221]

約数ペア:

[(1, 1690221), (3, 563407), (13, 130017), (19, 88959), (39, 43339), (57, 29653), (247, 6843), (741, 2281)]