28099725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{22039}}^1$

素因数の和:22069

約数の個数: 24

約数和(自身を含む): 49193280

約数和(自身を除く): 21093555

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 22039, 66117, 110195, 330585, 374663, 550975, 1123989, 1652925, 1873315, 5619945, 9366575, 28099725]

約数ペア:

[(1, 28099725), (3, 9366575), (5, 5619945), (15, 1873315), (17, 1652925), (25, 1123989), (51, 550975), (75, 374663), (85, 330585), (255, 110195), (425, 66117), (1275, 22039)]