28495155

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7691}}^1$

素因数の和:7731

約数の個数: 32

約数和(自身を含む): 51690240

約数和(自身を除く): 23195085

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 7691, 23073, 38455, 99983, 115365, 146129, 299949, 438387, 499915, 730645, 1499745, 1899677, 2191935, 5699031, 9498385, 28495155]

約数ペア:

[(1, 28495155), (3, 9498385), (5, 5699031), (13, 2191935), (15, 1899677), (19, 1499745), (39, 730645), (57, 499915), (65, 438387), (95, 299949), (195, 146129), (247, 115365), (285, 99983), (741, 38455), (1235, 23073), (3705, 7691)]