1320220365

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{13669}}^1$

素因数の和:13861

約数の個数: 32

約数和(自身を含む): 2173201920

約数和(自身を除く): 852981555

約数列:

[1, 3, 5, 15, 47, 137, 141, 235, 411, 685, 705, 2055, 6439, 13669, 19317, 32195, 41007, 68345, 96585, 205035, 642443, 1872653, 1927329, 3212215, 5617959, 9363265, 9636645, 28089795, 88014691, 264044073, 440073455, 1320220365]

約数ペア:

[(1, 1320220365), (3, 440073455), (5, 264044073), (15, 88014691), (47, 28089795), (137, 9636645), (141, 9363265), (235, 5617959), (411, 3212215), (685, 1927329), (705, 1872653), (2055, 642443), (6439, 205035), (13669, 96585), (19317, 68345), (32195, 41007)]