842105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:328

約数の個数: 16

約数和(自身を含む): 1124928

約数和(自身を除く): 282823

約数列:

[1, 5, 11, 55, 61, 251, 305, 671, 1255, 2761, 3355, 13805, 15311, 76555, 168421, 842105]

約数ペア:

[(1, 842105), (5, 168421), (11, 76555), (55, 15311), (61, 13805), (251, 3355), (305, 2761), (671, 1255)]