51971145

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1553}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 87720192

約数和(自身を除く): 35749047

約数列:

[1, 3, 5, 15, 23, 69, 97, 115, 291, 345, 485, 1455, 1553, 2231, 4659, 6693, 7765, 11155, 23295, 33465, 35719, 107157, 150641, 178595, 451923, 535785, 753205, 2259615, 3464743, 10394229, 17323715, 51971145]

約数ペア:

[(1, 51971145), (3, 17323715), (5, 10394229), (15, 3464743), (23, 2259615), (69, 753205), (97, 535785), (115, 451923), (291, 178595), (345, 150641), (485, 107157), (1455, 35719), (1553, 33465), (2231, 23295), (4659, 11155), (6693, 7765)]