16721913

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2731}}^1$

素因数の和:2904

約数の個数: 16

約数和(自身を含む): 24172736

約数和(自身を除く): 7450823

約数列:

[1, 3, 13, 39, 157, 471, 2041, 2731, 6123, 8193, 35503, 106509, 428767, 1286301, 5573971, 16721913]

約数ペア:

[(1, 16721913), (3, 5573971), (13, 1286301), (39, 428767), (157, 106509), (471, 35503), (2041, 8193), (2731, 6123)]