209250375

素因数分解:

$3^1\times 5^3\times {\mathrm{137}}^1\times {\mathrm{4073}}^1$

素因数の和:4228

約数の個数: 32

約数和(自身を含む): 350820288

約数和(自身を除く): 141569913

約数列:

[1, 3, 5, 15, 25, 75, 125, 137, 375, 411, 685, 2055, 3425, 4073, 10275, 12219, 17125, 20365, 51375, 61095, 101825, 305475, 509125, 558001, 1527375, 1674003, 2790005, 8370015, 13950025, 41850075, 69750125, 209250375]

約数ペア:

[(1, 209250375), (3, 69750125), (5, 41850075), (15, 13950025), (25, 8370015), (75, 2790005), (125, 1674003), (137, 1527375), (375, 558001), (411, 509125), (685, 305475), (2055, 101825), (3425, 61095), (4073, 51375), (10275, 20365), (12219, 17125)]