28274865

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{743}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 47139840

約数和(自身を除く): 18864975

約数列:

[1, 3, 5, 15, 43, 59, 129, 177, 215, 295, 645, 743, 885, 2229, 2537, 3715, 7611, 11145, 12685, 31949, 38055, 43837, 95847, 131511, 159745, 219185, 479235, 657555, 1884991, 5654973, 9424955, 28274865]

約数ペア:

[(1, 28274865), (3, 9424955), (5, 5654973), (15, 1884991), (43, 657555), (59, 479235), (129, 219185), (177, 159745), (215, 131511), (295, 95847), (645, 43837), (743, 38055), (885, 31949), (2229, 12685), (2537, 11145), (3715, 7611)]