208023465

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{24809}}^1$

素因数の和:24873

約数の個数: 32

約数和(自身を含む): 366791040

約数和(自身を除く): 158767575

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 8385, 24809, 74427, 124045, 322517, 372135, 967551, 1066787, 1612585, 3200361, 4837755, 5333935, 13868231, 16001805, 41604693, 69341155, 208023465]

約数ペア:

[(1, 208023465), (3, 69341155), (5, 41604693), (13, 16001805), (15, 13868231), (39, 5333935), (43, 4837755), (65, 3200361), (129, 1612585), (195, 1066787), (215, 967551), (559, 372135), (645, 322517), (1677, 124045), (2795, 74427), (8385, 24809)]