27994743

素因数分解:

$3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1031}}^1$

素因数の和:1475

約数の個数: 24

約数和(自身を含む): 46365696

約数和(自身を除く): 18370953

約数列:

[1, 3, 7, 9, 21, 63, 431, 1031, 1293, 3017, 3093, 3879, 7217, 9051, 9279, 21651, 27153, 64953, 444361, 1333083, 3110527, 3999249, 9331581, 27994743]

約数ペア:

[(1, 27994743), (3, 9331581), (7, 3999249), (9, 3110527), (21, 1333083), (63, 444361), (431, 64953), (1031, 27153), (1293, 21651), (3017, 9279), (3093, 9051), (3879, 7217)]