81336805

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{233}}^1\times {\mathrm{577}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 107931096

約数和(自身を除く): 26594291

約数列:

[1, 5, 11, 55, 121, 233, 577, 605, 1165, 2563, 2885, 6347, 12815, 28193, 31735, 69817, 134441, 140965, 349085, 672205, 1478851, 7394255, 16267361, 81336805]

約数ペア:

[(1, 81336805), (5, 16267361), (11, 7394255), (55, 1478851), (121, 672205), (233, 349085), (577, 140965), (605, 134441), (1165, 69817), (2563, 31735), (2885, 28193), (6347, 12815)]