28503375

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{2621}}^1$

素因数の和:2668

約数の個数: 32

約数和(自身を含む): 49083840

約数和(自身を除く): 20580465

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 125, 145, 375, 435, 725, 2175, 2621, 3625, 7863, 10875, 13105, 39315, 65525, 76009, 196575, 228027, 327625, 380045, 982875, 1140135, 1900225, 5700675, 9501125, 28503375]

約数ペア:

[(1, 28503375), (3, 9501125), (5, 5700675), (15, 1900225), (25, 1140135), (29, 982875), (75, 380045), (87, 327625), (125, 228027), (145, 196575), (375, 76009), (435, 65525), (725, 39315), (2175, 13105), (2621, 10875), (3625, 7863)]