28928055

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1361}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 50339520

約数和(自身を除く): 21411465

約数列:

[1, 3, 5, 13, 15, 39, 65, 109, 195, 327, 545, 1361, 1417, 1635, 4083, 4251, 6805, 7085, 17693, 20415, 21255, 53079, 88465, 148349, 265395, 445047, 741745, 1928537, 2225235, 5785611, 9642685, 28928055]

約数ペア:

[(1, 28928055), (3, 9642685), (5, 5785611), (13, 2225235), (15, 1928537), (39, 741745), (65, 445047), (109, 265395), (195, 148349), (327, 88465), (545, 53079), (1361, 21255), (1417, 20415), (1635, 17693), (4083, 7085), (4251, 6805)]