81859095

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25621}}^1$

素因数の和:25703

約数の個数: 24

約数和(自身を含む): 143893152

約数和(自身を除く): 62034057

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 25621, 76863, 128105, 230589, 384315, 1152945, 1819091, 5457273, 9095455, 16371819, 27286365, 81859095]

約数ペア:

[(1, 81859095), (3, 27286365), (5, 16371819), (9, 9095455), (15, 5457273), (45, 1819091), (71, 1152945), (213, 384315), (355, 230589), (639, 128105), (1065, 76863), (3195, 25621)]