1901697

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{661}}^1$

素因数の和:808

約数の個数: 16

約数和(自身を含む): 2923392

約数和(自身を除く): 1021695

約数列:

[1, 3, 7, 21, 137, 411, 661, 959, 1983, 2877, 4627, 13881, 90557, 271671, 633899, 1901697]

約数ペア:

[(1, 1901697), (3, 633899), (7, 271671), (21, 90557), (137, 13881), (411, 4627), (661, 2877), (959, 1983)]