2170921155

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{17207}}^1$

素因数の和:17875

約数の個数: 32

約数和(自身を含む): 3746663424

約数和(自身を除く): 1575742269

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 647, 1941, 3235, 8411, 9705, 17207, 25233, 42055, 51621, 86035, 126165, 223691, 258105, 671073, 1118455, 3355365, 11132929, 33398787, 55664645, 144728077, 166993935, 434184231, 723640385, 2170921155]

約数ペア:

[(1, 2170921155), (3, 723640385), (5, 434184231), (13, 166993935), (15, 144728077), (39, 55664645), (65, 33398787), (195, 11132929), (647, 3355365), (1941, 1118455), (3235, 671073), (8411, 258105), (9705, 223691), (17207, 126165), (25233, 86035), (42055, 51621)]