81684553

素因数分解:

${\mathrm{19}}^2\times {\mathrm{353}}^1\times {\mathrm{641}}^1$

素因数の和:1032

約数の個数: 12

約数和(自身を含む): 86589108

約数和(自身を除く): 4904555

約数列:

[1, 19, 353, 361, 641, 6707, 12179, 127433, 226273, 231401, 4299187, 81684553]

約数ペア:

[(1, 81684553), (19, 4299187), (353, 231401), (361, 226273), (641, 127433), (6707, 12179)]