12641931

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1559}}^1$

素因数の和:1635

約数の個数: 24

約数和(自身を含む): 19712160

約数和(自身を除く): 7070229

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 1559, 2703, 4677, 8109, 14031, 26503, 79509, 82627, 238527, 247881, 743643, 1404659, 4213977, 12641931]

約数ペア:

[(1, 12641931), (3, 4213977), (9, 1404659), (17, 743643), (51, 247881), (53, 238527), (153, 82627), (159, 79509), (477, 26503), (901, 14031), (1559, 8109), (2703, 4677)]