81361953

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{811}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 120085056

約数和(自身を除く): 38723103

約数列:

[1, 3, 9, 71, 157, 213, 471, 639, 811, 1413, 2433, 7299, 11147, 33441, 57581, 100323, 127327, 172743, 381981, 518229, 1145943, 9040217, 27120651, 81361953]

約数ペア:

[(1, 81361953), (3, 27120651), (9, 9040217), (71, 1145943), (157, 518229), (213, 381981), (471, 172743), (639, 127327), (811, 100323), (1413, 57581), (2433, 33441), (7299, 11147)]