28771755

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1103}}^1$

素因数の和:1195

約数の個数: 32

約数和(自身を含む): 48328704

約数和(自身を除く): 19556949

約数列:

[1, 3, 5, 15, 37, 47, 111, 141, 185, 235, 555, 705, 1103, 1739, 3309, 5217, 5515, 8695, 16545, 26085, 40811, 51841, 122433, 155523, 204055, 259205, 612165, 777615, 1918117, 5754351, 9590585, 28771755]

約数ペア:

[(1, 28771755), (3, 9590585), (5, 5754351), (15, 1918117), (37, 777615), (47, 612165), (111, 259205), (141, 204055), (185, 155523), (235, 122433), (555, 51841), (705, 40811), (1103, 26085), (1739, 16545), (3309, 8695), (5217, 5515)]