13012131

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20753}}^1$

素因数の和:20786

約数の個数: 16

約数和(自身を含む): 19923840

約数和(自身を除く): 6911709

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 20753, 62259, 228283, 394307, 684849, 1182921, 4337377, 13012131]

約数ペア:

[(1, 13012131), (3, 4337377), (11, 1182921), (19, 684849), (33, 394307), (57, 228283), (209, 62259), (627, 20753)]