28066725

素因数分解:

$3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1579}}^1$

素因数の和:1674

約数の個数: 36

約数和(自身を含む): 50939200

約数和(自身を除く): 22872475

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 225, 237, 395, 711, 1185, 1579, 1975, 3555, 4737, 5925, 7895, 14211, 17775, 23685, 39475, 71055, 118425, 124741, 355275, 374223, 623705, 1122669, 1871115, 3118525, 5613345, 9355575, 28066725]

約数ペア:

[(1, 28066725), (3, 9355575), (5, 5613345), (9, 3118525), (15, 1871115), (25, 1122669), (45, 623705), (75, 374223), (79, 355275), (225, 124741), (237, 118425), (395, 71055), (711, 39475), (1185, 23685), (1579, 17775), (1975, 14211), (3555, 7895), (4737, 5925)]