81497334

素因数分解:

$2^1\times 3^1\times {\mathrm{661}}^1\times {\mathrm{20549}}^1$

素因数の和:21215

約数の個数: 16

約数和(自身を含む): 163249200

約数和(自身を除く): 81751866

約数列:

[1, 2, 3, 6, 661, 1322, 1983, 3966, 20549, 41098, 61647, 123294, 13582889, 27165778, 40748667, 81497334]

約数ペア:

[(1, 81497334), (2, 40748667), (3, 27165778), (6, 13582889), (661, 123294), (1322, 61647), (1983, 41098), (3966, 20549)]