28487325

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{22343}}^1$

素因数の和:22373

約数の個数: 24

約数和(自身を含む): 49871808

約数和(自身を除く): 21384483

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 22343, 67029, 111715, 335145, 379831, 558575, 1139493, 1675725, 1899155, 5697465, 9495775, 28487325]

約数ペア:

[(1, 28487325), (3, 9495775), (5, 5697465), (15, 1899155), (17, 1675725), (25, 1139493), (51, 558575), (75, 379831), (85, 335145), (255, 111715), (425, 67029), (1275, 22343)]